//	---------------------------------------------------------------------------
//
//	@file		TwMgr.cpp
//	@author		Philippe Decaudin
//	@license	This file is part of the AntTweakBar library.
//				For conditions of distribution and use, see License.txt
//
//	---------------------------------------------------------------------------


#include "TwPrecomp.h"
#include <AntTweakBar.h>
#include "TwMgr.h"
#include "TwBar.h"
#include "TwFonts.h"
#ifdef ANT_WINDOWS
#	include "resource.h"
#	ifdef _DEBUG
#		include <crtdbg.h>
#	endif // _DEBUG
#else
#	define _snprintf snprintf
#endif

#ifdef ANT_OSX
#	include <AppKit/NSImage.h>
#endif

namespace AntTweakBar {

using namespace std;

CTwMgr *g_TwMgr = NULL; // current TwMgr
TwErrorHandler g_ErrorHandler = NULL;
int g_TabLength = 4;
CTwBar * const TW_GLOBAL_BAR = (CTwBar *)(-1);
int g_InitWndWidth = -1;
int g_InitWndHeight = -1;
TwCopyCDStringToClient	g_InitCopyCDStringToClient = NULL;
TwCopyStdStringToClient g_InitCopyStdStringToClient = NULL;
float g_FontScaling = 1.0f;

// multi-windows
const int TW_MASTER_WINDOW_ID = 0;
typedef map<int, CTwMgr *> CTwWndMap;
CTwWndMap g_Wnds;
CTwMgr *g_TwMasterMgr = NULL;

// error messages
extern const char *g_ErrUnknownAttrib;
extern const char *g_ErrNoValue;
extern const char *g_ErrBadValue;
const char *g_ErrInit		= "Already initialized";
const char *g_ErrShut		= "Already shutdown";
const char *g_ErrNotInit	= "Not initialized";
const char *g_ErrUnknownAPI = "Unsupported graph API";
const char *g_ErrBadDevice	= "Invalid graph device";
const char *g_ErrBadParam	= "Invalid parameter";
const char *g_ErrExist		= "Exists already";
const char *g_ErrNotFound	= "Not found";
const char *g_ErrNthToDo	= "Nothing to do";
const char *g_ErrBadSize	= "Bad size";
const char *g_ErrIsDrawing	= "Asynchronous drawing detected";
const char *g_ErrIsProcessing="Asynchronous processing detected";
const char *g_ErrOffset		= "Offset larger than StructSize";
const char *g_ErrDelStruct	= "Cannot delete a struct member";
const char *g_ErrNoBackQuote= "Name cannot include back-quote";
const char *g_ErrStdString	= "Debug/Release std::string mismatch";
const char *g_ErrCStrParam	= "Value count for TW_PARAM_CSTRING must be 1";
const char *g_ErrOutOfRange = "Index out of range";
const char *g_ErrHasNoValue = "Has no value";
const char *g_ErrBadType	= "Incompatible type";
const char *g_ErrDelHelp	= "Cannot delete help bar";
char g_ErrParse[512];

void ANT_CALL TwGlobalError(const char *_ErrorMessage);

#if defined(ANT_UNIX) || defined(ANT_OSX)
#define _stricmp strcasecmp
#define _strdup strdup
#endif

#ifdef ANT_WINDOWS
	bool g_UseCurRsc = true;	// use dll resources for rotoslider cursors
#endif

//	---------------------------------------------------------------------------

const float  FLOAT_EPS	   = 1.0e-7f;
const float  FLOAT_EPS_SQ  = 1.0e-14f;
const float  FLOAT_PI	   = 3.14159265358979323846f;
const double DOUBLE_EPS    = 1.0e-14;
const double DOUBLE_EPS_SQ = 1.0e-28;
const double DOUBLE_PI	   = 3.14159265358979323846;

inline double DegToRad(double degree) { return degree * (DOUBLE_PI/180.0); }
inline double RadToDeg(double radian) { return radian * (180.0/DOUBLE_PI); }

//	---------------------------------------------------------------------------

//	a static global object to verify that Tweakbar module has been properly terminated (in debug mode only)
#ifdef _DEBUG
static struct CTwVerif
{
	~CTwVerif()
	{
		if( g_TwMgr!=NULL )
			g_TwMgr->SetLastError("Tweak bar module has not been terminated properly: call TwTerminate()\n");
	}
} s_Verif;
#endif // _DEBUG

//	---------------------------------------------------------------------------
//	Color ext type
//	---------------------------------------------------------------------------

void CColorExt::RGB2HLS()
{
	float fH = 0, fL = 0, fS = 0;
	ColorRGBToHLSf((float)R/255.0f, (float)G/255.0f, (float)B/255.0f, &fH, &fL, &fS);
	H = (int)fH;
	if( H>=360 )
		H -= 360;
	else if( H<0 )
		H += 360;
	L = (int)(255.0f*fL + 0.5f);
	if( L<0 )
		L = 0;
	else if( L>255 )
		L = 255;
	S = (int)(255.0f*fS + 0.5f);
	if( S<0 )
		S = 0;
	else if( S>255 )
		S = 255;
}

void CColorExt::HLS2RGB()
{
	float fR = 0, fG = 0, fB = 0;
	ColorHLSToRGBf((float)H, (float)L/255.0f, (float)S/255.0f, &fR, &fG, &fB);
	R = (int)(255.0f*fR + 0.5f);
	if( R<0 )
		R = 0;
	else if( R>255 )
		R = 255;
	G = (int)(255.0f*fG + 0.5f);
	if( G<0 )
		G = 0;
	else if( G>255 )
		G = 255;
	B = (int)(255.0f*fB + 0.5f);
	if( B<0 )
		B = 0;
	else if( B>255 )
		B = 255;
}

void ANT_CALL CColorExt::InitColor32CB(void *_ExtValue, void *_ClientData)
{
	CColorExt *ext = static_cast<CColorExt *>(_ExtValue);
	if( ext )
	{
		ext->m_IsColorF = false;
		ext->R = 0;
		ext->G = 0;
		ext->B = 0;
		ext->H = 0;
		ext->L = 0;
		ext->S = 0;
		ext->A = 255;
		ext->m_HLS = false;
		ext->m_HasAlpha = false;
		ext->m_CanHaveAlpha = true;
		if( g_TwMgr && g_TwMgr->m_GraphAPI==TW_DIRECT3D9 ) // D3D10 now use OGL rgba order!
			ext->m_OGL = false;
		else
			ext->m_OGL = true;
		ext->m_PrevConvertedColor = Color32FromARGBi(ext->A, ext->R, ext->G, ext->B);
		ext->m_StructProxy = (CTwMgr::CStructProxy *)_ClientData;
	}
}

void ANT_CALL CColorExt::InitColor3FCB(void *_ExtValue, void *_ClientData)
{
	InitColor32CB(_ExtValue, _ClientData);
	CColorExt *ext = static_cast<CColorExt *>(_ExtValue);
	if( ext )
	{
		ext->m_IsColorF = true;
		ext->m_HasAlpha = false;
		ext->m_CanHaveAlpha = false;
	}
}

void ANT_CALL CColorExt::InitColor4FCB(void *_ExtValue, void *_ClientData)
{
	InitColor32CB(_ExtValue, _ClientData);
	CColorExt *ext = static_cast<CColorExt *>(_ExtValue);
	if( ext )
	{
		ext->m_IsColorF = true;
		ext->m_HasAlpha = true;
		ext->m_CanHaveAlpha = true;
	}
}

void ANT_CALL CColorExt::CopyVarFromExtCB(void *_VarValue, const void *_ExtValue, unsigned int _ExtMemberIndex, void *_ClientData)
{
	unsigned int *var32 = static_cast<unsigned int *>(_VarValue);
	float *varF = static_cast<float *>(_VarValue);
	CColorExt *ext = (CColorExt *)(_ExtValue);
	CTwMgr::CMemberProxy *mProxy = static_cast<CTwMgr::CMemberProxy *>(_ClientData);
	if( _VarValue && ext )
	{
		if( ext->m_HasAlpha && mProxy && mProxy->m_StructProxy && mProxy->m_StructProxy->m_Type==g_TwMgr->m_TypeColor3F )
			ext->m_HasAlpha = false;

		// Synchronize HLS and RGB
		if( _ExtMemberIndex>=0 && _ExtMemberIndex<=2 )
			ext->RGB2HLS();
		else if( _ExtMemberIndex>=3 && _ExtMemberIndex<=5 )
			ext->HLS2RGB();
		else if( mProxy && _ExtMemberIndex==7 && mProxy->m_VarParent )
		{
			assert( mProxy->m_VarParent->m_Vars.size()==8 );
			if(    mProxy->m_VarParent->m_Vars[0]->m_Visible != !ext->m_HLS
				|| mProxy->m_VarParent->m_Vars[1]->m_Visible != !ext->m_HLS
				|| mProxy->m_VarParent->m_Vars[2]->m_Visible != !ext->m_HLS
				|| mProxy->m_VarParent->m_Vars[3]->m_Visible != ext->m_HLS
				|| mProxy->m_VarParent->m_Vars[4]->m_Visible != ext->m_HLS
				|| mProxy->m_VarParent->m_Vars[5]->m_Visible != ext->m_HLS )
			{
				mProxy->m_VarParent->m_Vars[0]->m_Visible = !ext->m_HLS;
				mProxy->m_VarParent->m_Vars[1]->m_Visible = !ext->m_HLS;
				mProxy->m_VarParent->m_Vars[2]->m_Visible = !ext->m_HLS;
				mProxy->m_VarParent->m_Vars[3]->m_Visible = ext->m_HLS;
				mProxy->m_VarParent->m_Vars[4]->m_Visible = ext->m_HLS;
				mProxy->m_VarParent->m_Vars[5]->m_Visible = ext->m_HLS;
				mProxy->m_Bar->NotUpToDate();
			}
			if( mProxy->m_VarParent->m_Vars[6]->m_Visible != ext->m_HasAlpha )
			{
				mProxy->m_VarParent->m_Vars[6]->m_Visible = ext->m_HasAlpha;
				mProxy->m_Bar->NotUpToDate();
			}
			if( static_cast<CTwVarAtom *>(mProxy->m_VarParent->m_Vars[7])->m_ReadOnly )
			{
				static_cast<CTwVarAtom *>(mProxy->m_VarParent->m_Vars[7])->m_ReadOnly = false;
				mProxy->m_Bar->NotUpToDate();
			}
		}
		// Convert to color32
		color32 col = Color32FromARGBi((ext->m_HasAlpha ? ext->A : 255), ext->R, ext->G, ext->B);
		if( ext->m_OGL && !ext->m_IsColorF )
			col = (col&0xff00ff00) | (unsigned char)(col>>16) | (((unsigned char)(col))<<16);
		if( ext->m_IsColorF )
			Color32ToARGBf(col, (ext->m_HasAlpha ? varF+3 : NULL), varF+0, varF+1, varF+2);
		else
		{
			if( ext->m_HasAlpha )
				*var32 = col;
			else
				*var32 = ((*var32)&0xff000000) | (col&0x00ffffff);
		}
		ext->m_PrevConvertedColor = col;
	}
}

void ANT_CALL CColorExt::CopyVarToExtCB(const void *_VarValue, void *_ExtValue, unsigned int _ExtMemberIndex, void *_ClientData)
{
	const unsigned int *var32 = static_cast<const unsigned int *>(_VarValue);
	const float *varF = static_cast<const float *>(_VarValue);
	CColorExt *ext = static_cast<CColorExt *>(_ExtValue);
	CTwMgr::CMemberProxy *mProxy = static_cast<CTwMgr::CMemberProxy *>(_ClientData);
	if( _VarValue && ext )
	{
		if( ext->m_HasAlpha && mProxy && mProxy->m_StructProxy && mProxy->m_StructProxy->m_Type==g_TwMgr->m_TypeColor3F )
			ext->m_HasAlpha = false;

		if( mProxy && _ExtMemberIndex==7 && mProxy->m_VarParent )
		{
			assert( mProxy->m_VarParent->m_Vars.size()==8 );
			if(    mProxy->m_VarParent->m_Vars[0]->m_Visible != !ext->m_HLS
				|| mProxy->m_VarParent->m_Vars[1]->m_Visible != !ext->m_HLS
				|| mProxy->m_VarParent->m_Vars[2]->m_Visible != !ext->m_HLS
				|| mProxy->m_VarParent->m_Vars[3]->m_Visible != ext->m_HLS
				|| mProxy->m_VarParent->m_Vars[4]->m_Visible != ext->m_HLS
				|| mProxy->m_VarParent->m_Vars[5]->m_Visible != ext->m_HLS )
			{
				mProxy->m_VarParent->m_Vars[0]->m_Visible = !ext->m_HLS;
				mProxy->m_VarParent->m_Vars[1]->m_Visible = !ext->m_HLS;
				mProxy->m_VarParent->m_Vars[2]->m_Visible = !ext->m_HLS;
				mProxy->m_VarParent->m_Vars[3]->m_Visible = ext->m_HLS;
				mProxy->m_VarParent->m_Vars[4]->m_Visible = ext->m_HLS;
				mProxy->m_VarParent->m_Vars[5]->m_Visible = ext->m_HLS;
				mProxy->m_Bar->NotUpToDate();
			}
			if( mProxy->m_VarParent->m_Vars[6]->m_Visible != ext->m_HasAlpha )
			{
				mProxy->m_VarParent->m_Vars[6]->m_Visible = ext->m_HasAlpha;
				mProxy->m_Bar->NotUpToDate();
			}
			if( static_cast<CTwVarAtom *>(mProxy->m_VarParent->m_Vars[7])->m_ReadOnly )
			{
				static_cast<CTwVarAtom *>(mProxy->m_VarParent->m_Vars[7])->m_ReadOnly = false;
				mProxy->m_Bar->NotUpToDate();
			}
		}
		color32 col;
		if( ext->m_IsColorF )
			col = Color32FromARGBf((ext->m_HasAlpha ? varF[3] : 1), varF[0], varF[1], varF[2]);
		else
			col = *var32;
		if( ext->m_OGL && !ext->m_IsColorF )
			col = (col&0xff00ff00) | (unsigned char)(col>>16) | (((unsigned char)(col))<<16);
		Color32ToARGBi(col, (ext->m_HasAlpha ? &ext->A : NULL), &ext->R, &ext->G, &ext->B);
		if( (col & 0x00ffffff)!=(ext->m_PrevConvertedColor & 0x00ffffff) )
			ext->RGB2HLS();
		ext->m_PrevConvertedColor = col;
	}
}

void ANT_CALL CColorExt::SummaryCB(char *_SummaryString, size_t /*_SummaryMaxLength*/, const void *_ExtValue, void * /*_ClientData*/)
{
	// copy var
	CColorExt *ext = (CColorExt *)(_ExtValue);
	if( ext && ext->m_StructProxy && ext->m_StructProxy->m_StructData )
	{
		if( ext->m_StructProxy->m_StructGetCallback )
			ext->m_StructProxy->m_StructGetCallback(ext->m_StructProxy->m_StructData, ext->m_StructProxy->m_StructClientData);
		//if( *(unsigned int *)(ext->m_StructProxy->m_StructData)!=ext->m_PrevConvertedColor )
		CopyVarToExtCB(ext->m_StructProxy->m_StructData, ext, 99, NULL);
	}

	//unsigned int col = 0;
	//CopyVar32FromExtCB(&col, _ExtValue, 99, _ClientData);
	//_snprintf(_SummaryString, _SummaryMaxLength, "0x%.8X", col);
	//(void) _SummaryMaxLength, _ExtValue, _ClientData;
	_SummaryString[0] = ' ';	// required to force background color for this value
	_SummaryString[1] = '\0';
}

void CColorExt::CreateTypes()
{
	if( g_TwMgr==NULL )
		return;
	TwStructMember ColorExtMembers[] = { { "Red", TW_TYPE_INT32, offsetof(CColorExt, R), "min=0 max=255" },
										 { "Green", TW_TYPE_INT32, offsetof(CColorExt, G), "min=0 max=255" },
										 { "Blue", TW_TYPE_INT32, offsetof(CColorExt, B), "min=0 max=255" },
										 { "Hue", TW_TYPE_INT32, offsetof(CColorExt, H), "hide min=0 max=359" },
										 { "Lightness", TW_TYPE_INT32, offsetof(CColorExt, L), "hide min=0 max=255" },
										 { "Saturation", TW_TYPE_INT32, offsetof(CColorExt, S), "hide min=0 max=255" },
										 { "Alpha", TW_TYPE_INT32, offsetof(CColorExt, A), "hide min=0 max=255" },
										 { "Mode", TW_TYPE_BOOLCPP, offsetof(CColorExt, m_HLS), "true='HLS' false='RGB' readwrite" } };
	g_TwMgr->m_TypeColor32 = TwDefineStructExt("COLOR32", ColorExtMembers, 8, sizeof(unsigned int), sizeof(CColorExt), CColorExt::InitColor32CB, CColorExt::CopyVarFromExtCB, CColorExt::CopyVarToExtCB, CColorExt::SummaryCB, CTwMgr::CStruct::s_PassProxyAsClientData, "A 32-bit-encoded color.");
	g_TwMgr->m_TypeColor3F = TwDefineStructExt("COLOR3F", ColorExtMembers, 8, 3*sizeof(float), sizeof(CColorExt), CColorExt::InitColor3FCB, CColorExt::CopyVarFromExtCB, CColorExt::CopyVarToExtCB, CColorExt::SummaryCB, CTwMgr::CStruct::s_PassProxyAsClientData, "A 3-floats-encoded RGB color.");
	g_TwMgr->m_TypeColor4F = TwDefineStructExt("COLOR4F", ColorExtMembers, 8, 4*sizeof(float), sizeof(CColorExt), CColorExt::InitColor4FCB, CColorExt::CopyVarFromExtCB, CColorExt::CopyVarToExtCB, CColorExt::SummaryCB, CTwMgr::CStruct::s_PassProxyAsClientData, "A 4-floats-encoded RGBA color.");
	// Do not name them "TW_COLOR*" because the name is displayed in the help bar.
}

//	---------------------------------------------------------------------------
//	Quaternion ext type
//	---------------------------------------------------------------------------

void ANT_CALL CQuaternionExt::InitQuat4FCB(void *_ExtValue, void *_ClientData)
{
	CQuaternionExt *ext = static_cast<CQuaternionExt *>(_ExtValue);
	if( ext )
	{
		ext->Qx = ext->Qy = ext->Qz = 0;
		ext->Qs = 1;
		ext->Vx = 1;
		ext->Vy = ext->Vz = 0;
		ext->Angle = 0;
		ext->Dx = ext->Dy = ext->Dz = 0;
		ext->m_AAMode = false; // Axis & angle mode hidden
		ext->m_ShowVal = false;
		ext->m_IsFloat = true;
		ext->m_IsDir = false;
		ext->m_Dir[0] = ext->m_Dir[1] = ext->m_Dir[2] = 0;
		ext->m_DirColor = 0xffffff00;
		int i, j;
		for(i=0; i<3; ++i)
			for(j=0; j<3; ++j)
				ext->m_Permute[i][j] = (i==j) ? 1.0f : 0.0f;
		ext->m_StructProxy = (CTwMgr::CStructProxy *)_ClientData;
		ext->ConvertToAxisAngle();
		ext->m_Highlighted = false;
		ext->m_Rotating = false;
		if( ext->m_StructProxy!=NULL )
		{
			ext->m_StructProxy->m_CustomDrawCallback = CQuaternionExt::DrawCB;
			ext->m_StructProxy->m_CustomMouseButtonCallback = CQuaternionExt::MouseButtonCB;
			ext->m_StructProxy->m_CustomMouseMotionCallback = CQuaternionExt::MouseMotionCB;
			ext->m_StructProxy->m_CustomMouseLeaveCallback = CQuaternionExt::MouseLeaveCB;
		}
	}
}

void ANT_CALL CQuaternionExt::InitQuat4DCB(void *_ExtValue, void *_ClientData)
{
	CQuaternionExt *ext = static_cast<CQuaternionExt *>(_ExtValue);
	if( ext )
	{
		ext->Qx = ext->Qy = ext->Qz = 0;
		ext->Qs = 1;
		ext->Vx = 1;
		ext->Vy = ext->Vz = 0;
		ext->Angle = 0;
		ext->Dx = ext->Dy = ext->Dz = 0;
		ext->m_AAMode = false; // Axis & angle mode hidden
		ext->m_ShowVal = false;
		ext->m_IsFloat = false;
		ext->m_IsDir = false;
		ext->m_Dir[0] = ext->m_Dir[1] = ext->m_Dir[2] = 0;
		ext->m_DirColor = 0xffffff00;
		int i, j;
		for(i=0; i<3; ++i)
			for(j=0; j<3; ++j)
				ext->m_Permute[i][j] = (i==j) ? 1.0f : 0.0f;
		ext->m_StructProxy = (CTwMgr::CStructProxy *)_ClientData;
		ext->ConvertToAxisAngle();
		ext->m_Highlighted = false;
		ext->m_Rotating = false;
		if( ext->m_StructProxy!=NULL )
		{
			ext->m_StructProxy->m_CustomDrawCallback = CQuaternionExt::DrawCB;
			ext->m_StructProxy->m_CustomMouseButtonCallback = CQuaternionExt::MouseButtonCB;
			ext->m_StructProxy->m_CustomMouseMotionCallback = CQuaternionExt::MouseMotionCB;
			ext->m_StructProxy->m_CustomMouseLeaveCallback = CQuaternionExt::MouseLeaveCB;
		}
	}
}

void ANT_CALL CQuaternionExt::InitDir3FCB(void *_ExtValue, void *_ClientData)
{
	CQuaternionExt *ext = static_cast<CQuaternionExt *>(_ExtValue);
	if( ext )
	{
		ext->Qx = ext->Qy = ext->Qz = 0;
		ext->Qs = 1;
		ext->Vx = 1;
		ext->Vy = ext->Vz = 0;
		ext->Angle = 0;
		ext->Dx = 1;
		ext->Dy = ext->Dz = 0;
		ext->m_AAMode = false; // Axis & angle mode hidden
		ext->m_ShowVal = true;
		ext->m_IsFloat = true;
		ext->m_IsDir = true;
		ext->m_Dir[0] = ext->m_Dir[1] = ext->m_Dir[2] = 0;
		ext->m_DirColor = 0xffffff00;
		int i, j;
		for(i=0; i<3; ++i)
			for(j=0; j<3; ++j)
				ext->m_Permute[i][j] = (i==j) ? 1.0f : 0.0f;
		ext->m_StructProxy = (CTwMgr::CStructProxy *)_ClientData;
		ext->ConvertToAxisAngle();
		ext->m_Highlighted = false;
		ext->m_Rotating = false;
		if( ext->m_StructProxy!=NULL )
		{
			ext->m_StructProxy->m_CustomDrawCallback = CQuaternionExt::DrawCB;
			ext->m_StructProxy->m_CustomMouseButtonCallback = CQuaternionExt::MouseButtonCB;
			ext->m_StructProxy->m_CustomMouseMotionCallback = CQuaternionExt::MouseMotionCB;
			ext->m_StructProxy->m_CustomMouseLeaveCallback = CQuaternionExt::MouseLeaveCB;
		}
	}
}

void ANT_CALL CQuaternionExt::InitDir3DCB(void *_ExtValue, void *_ClientData)
{
	CQuaternionExt *ext = static_cast<CQuaternionExt *>(_ExtValue);
	if( ext )
	{
		ext->Qx = ext->Qy = ext->Qz = 0;
		ext->Qs = 1;
		ext->Vx = 1;
		ext->Vy = ext->Vz = 0;
		ext->Angle = 0;
		ext->Dx = 1;
		ext->Dy = ext->Dz = 0;
		ext->m_AAMode = false; // Axis & angle mode hidden
		ext->m_ShowVal = true;
		ext->m_IsFloat = false;
		ext->m_IsDir = true;
		ext->m_Dir[0] = ext->m_Dir[1] = ext->m_Dir[2] = 0;
		ext->m_DirColor = 0xffffff00;
		int i, j;
		for(i=0; i<3; ++i)
			for(j=0; j<3; ++j)
				ext->m_Permute[i][j] = (i==j) ? 1.0f : 0.0f;
		ext->m_StructProxy = (CTwMgr::CStructProxy *)_ClientData;
		ext->ConvertToAxisAngle();
		ext->m_Highlighted = false;
		ext->m_Rotating = false;
		if( ext->m_StructProxy!=NULL )
		{
			ext->m_StructProxy->m_CustomDrawCallback = CQuaternionExt::DrawCB;
			ext->m_StructProxy->m_CustomMouseButtonCallback = CQuaternionExt::MouseButtonCB;
			ext->m_StructProxy->m_CustomMouseMotionCallback = CQuaternionExt::MouseMotionCB;
			ext->m_StructProxy->m_CustomMouseLeaveCallback = CQuaternionExt::MouseLeaveCB;
		}
	}
}

void ANT_CALL CQuaternionExt::CopyVarFromExtCB(void *_VarValue, const void *_ExtValue, unsigned int _ExtMemberIndex, void *_ClientData)
{
	CQuaternionExt *ext = (CQuaternionExt *)(_ExtValue);
	CTwMgr::CMemberProxy *mProxy = static_cast<CTwMgr::CMemberProxy *>(_ClientData);
	if( _VarValue && ext )
	{
		// Synchronize Quat and AxisAngle
		if( _ExtMemberIndex>=4 && _ExtMemberIndex<=7 )
		{
			ext->ConvertToAxisAngle();
			// show/hide quat values
			if( _ExtMemberIndex==4 && mProxy && mProxy->m_VarParent )
			{
				assert( mProxy->m_VarParent->m_Vars.size()==16 );
				bool visible = ext->m_ShowVal;
				if( ext->m_IsDir )
				{
					if(    mProxy->m_VarParent->m_Vars[13]->m_Visible != visible
						|| mProxy->m_VarParent->m_Vars[14]->m_Visible != visible
						|| mProxy->m_VarParent->m_Vars[15]->m_Visible != visible )
					{
						mProxy->m_VarParent->m_Vars[13]->m_Visible = visible;
						mProxy->m_VarParent->m_Vars[14]->m_Visible = visible;
						mProxy->m_VarParent->m_Vars[15]->m_Visible = visible;
						mProxy->m_Bar->NotUpToDate();
					}
				}
				else
				{
					if(    mProxy->m_VarParent->m_Vars[4]->m_Visible != visible
						|| mProxy->m_VarParent->m_Vars[5]->m_Visible != visible
						|| mProxy->m_VarParent->m_Vars[6]->m_Visible != visible
						|| mProxy->m_VarParent->m_Vars[7]->m_Visible != visible )
					{
						mProxy->m_VarParent->m_Vars[4]->m_Visible = visible;
						mProxy->m_VarParent->m_Vars[5]->m_Visible = visible;
						mProxy->m_VarParent->m_Vars[6]->m_Visible = visible;
						mProxy->m_VarParent->m_Vars[7]->m_Visible = visible;
						mProxy->m_Bar->NotUpToDate();
					}
				}
			}
		}
		else if( _ExtMemberIndex>=8 && _ExtMemberIndex<=11 )
			ext->ConvertFromAxisAngle();
		else if( mProxy && _ExtMemberIndex==12 && mProxy->m_VarParent && !ext->m_IsDir )
		{
			assert( mProxy->m_VarParent->m_Vars.size()==16 );
			bool aa = ext->m_AAMode;
			if(    mProxy->m_VarParent->m_Vars[4]->m_Visible != !aa
				|| mProxy->m_VarParent->m_Vars[5]->m_Visible != !aa
				|| mProxy->m_VarParent->m_Vars[6]->m_Visible != !aa
				|| mProxy->m_VarParent->m_Vars[7]->m_Visible != !aa
				|| mProxy->m_VarParent->m_Vars[8 ]->m_Visible != aa
				|| mProxy->m_VarParent->m_Vars[9 ]->m_Visible != aa
				|| mProxy->m_VarParent->m_Vars[10]->m_Visible != aa
				|| mProxy->m_VarParent->m_Vars[11]->m_Visible != aa )
			{
				mProxy->m_VarParent->m_Vars[4]->m_Visible = !aa;
				mProxy->m_VarParent->m_Vars[5]->m_Visible = !aa;
				mProxy->m_VarParent->m_Vars[6]->m_Visible = !aa;
				mProxy->m_VarParent->m_Vars[7]->m_Visible = !aa;
				mProxy->m_VarParent->m_Vars[8 ]->m_Visible = aa;
				mProxy->m_VarParent->m_Vars[9 ]->m_Visible = aa;
				mProxy->m_VarParent->m_Vars[10]->m_Visible = aa;
				mProxy->m_VarParent->m_Vars[11]->m_Visible = aa;
				mProxy->m_Bar->NotUpToDate();
			}
			if( static_cast<CTwVarAtom *>(mProxy->m_VarParent->m_Vars[12])->m_ReadOnly )
			{
				static_cast<CTwVarAtom *>(mProxy->m_VarParent->m_Vars[12])->m_ReadOnly = false;
				mProxy->m_Bar->NotUpToDate();
			}
		}

		if( ext->m_IsFloat )
		{
			float *var = static_cast<float *>(_VarValue);
			if( ext->m_IsDir )
			{
				var[0] = (float)ext->Dx;
				var[1] = (float)ext->Dy;
				var[2] = (float)ext->Dz;
			}
			else // quat
			{
				var[0] = (float)ext->Qx;
				var[1] = (float)ext->Qy;
				var[2] = (float)ext->Qz;
				var[3] = (float)ext->Qs;
			}
		}
		else
		{
			double *var = static_cast<double *>(_VarValue);
			if( ext->m_IsDir )
			{
				var[0] = ext->Dx;
				var[1] = ext->Dy;
				var[2] = ext->Dz;
			}
			else // quat
			{
				var[0] = ext->Qx;
				var[1] = ext->Qy;
				var[2] = ext->Qz;
				var[3] = ext->Qs;
			}
		}
	}
}

void ANT_CALL CQuaternionExt::CopyVarToExtCB(const void *_VarValue, void *_ExtValue, unsigned int _ExtMemberIndex, void *_ClientData)
{
	CQuaternionExt *ext = static_cast<CQuaternionExt *>(_ExtValue);
	CTwMgr::CMemberProxy *mProxy = static_cast<CTwMgr::CMemberProxy *>(_ClientData);
	(void)mProxy;
	if( _VarValue && ext )
	{
		if( mProxy && _ExtMemberIndex==12 && mProxy->m_VarParent && !ext->m_IsDir )
		{
			assert( mProxy->m_VarParent->m_Vars.size()==16 );
			bool aa = ext->m_AAMode;
			if(    mProxy->m_VarParent->m_Vars[4]->m_Visible != !aa
				|| mProxy->m_VarParent->m_Vars[5]->m_Visible != !aa
				|| mProxy->m_VarParent->m_Vars[6]->m_Visible != !aa
				|| mProxy->m_VarParent->m_Vars[7]->m_Visible != !aa
				|| mProxy->m_VarParent->m_Vars[8 ]->m_Visible != aa
				|| mProxy->m_VarParent->m_Vars[9 ]->m_Visible != aa
				|| mProxy->m_VarParent->m_Vars[10]->m_Visible != aa
				|| mProxy->m_VarParent->m_Vars[11]->m_Visible != aa )
			{
				mProxy->m_VarParent->m_Vars[4]->m_Visible = !aa;
				mProxy->m_VarParent->m_Vars[5]->m_Visible = !aa;
				mProxy->m_VarParent->m_Vars[6]->m_Visible = !aa;
				mProxy->m_VarParent->m_Vars[7]->m_Visible = !aa;
				mProxy->m_VarParent->m_Vars[8 ]->m_Visible = aa;
				mProxy->m_VarParent->m_Vars[9 ]->m_Visible = aa;
				mProxy->m_VarParent->m_Vars[10]->m_Visible = aa;
				mProxy->m_VarParent->m_Vars[11]->m_Visible = aa;
				mProxy->m_Bar->NotUpToDate();
			}
			if( static_cast<CTwVarAtom *>(mProxy->m_VarParent->m_Vars[12])->m_ReadOnly )
			{
				static_cast<CTwVarAtom *>(mProxy->m_VarParent->m_Vars[12])->m_ReadOnly = false;
				mProxy->m_Bar->NotUpToDate();
			}
		}
		else if( mProxy && _ExtMemberIndex==4 && mProxy->m_VarParent )
		{
			assert( mProxy->m_VarParent->m_Vars.size()==16 );
			bool visible = ext->m_ShowVal;
			if( ext->m_IsDir )
			{
				if(    mProxy->m_VarParent->m_Vars[13]->m_Visible != visible
					|| mProxy->m_VarParent->m_Vars[14]->m_Visible != visible
					|| mProxy->m_VarParent->m_Vars[15]->m_Visible != visible )
				{
					mProxy->m_VarParent->m_Vars[13]->m_Visible = visible;
					mProxy->m_VarParent->m_Vars[14]->m_Visible = visible;
					mProxy->m_VarParent->m_Vars[15]->m_Visible = visible;
					mProxy->m_Bar->NotUpToDate();
				}
			}
			else
			{
				if(    mProxy->m_VarParent->m_Vars[4]->m_Visible != visible
					|| mProxy->m_VarParent->m_Vars[5]->m_Visible != visible
					|| mProxy->m_VarParent->m_Vars[6]->m_Visible != visible
					|| mProxy->m_VarParent->m_Vars[7]->m_Visible != visible )
				{
					mProxy->m_VarParent->m_Vars[4]->m_Visible = visible;
					mProxy->m_VarParent->m_Vars[5]->m_Visible = visible;
					mProxy->m_VarParent->m_Vars[6]->m_Visible = visible;
					mProxy->m_VarParent->m_Vars[7]->m_Visible = visible;
					mProxy->m_Bar->NotUpToDate();
				}
			}
		}

		if( ext->m_IsFloat )
		{
			const float *var = static_cast<const float *>(_VarValue);
			if( ext->m_IsDir )
			{
				ext->Dx = var[0];
				ext->Dy = var[1];
				ext->Dz = var[2];
				QuatFromDir(&ext->Qx, &ext->Qy, &ext->Qz, &ext->Qs, var[0], var[1], var[2]);
			}
			else
			{
				ext->Qx = var[0];
				ext->Qy = var[1];
				ext->Qz = var[2];
				ext->Qs = var[3];
			}

		}
		else
		{
			const double *var = static_cast<const double *>(_VarValue);
			if( ext->m_IsDir )
			{
				ext->Dx = var[0];
				ext->Dy = var[1];
				ext->Dz = var[2];
				QuatFromDir(&ext->Qx, &ext->Qy, &ext->Qz, &ext->Qs, var[0], var[1], var[2]);
			}
			else
			{
				ext->Qx = var[0];
				ext->Qy = var[1];
				ext->Qz = var[2];
				ext->Qs = var[3];
			}
		}
		ext->ConvertToAxisAngle();
	}
}

void ANT_CALL CQuaternionExt::SummaryCB(char *_SummaryString, size_t _SummaryMaxLength, const void *_ExtValue, void * /*_ClientData*/)
{
	const CQuaternionExt *ext = static_cast<const CQuaternionExt *>(_ExtValue);
	if( ext )
	{
		if( ext->m_AAMode )
			_snprintf(_SummaryString, _SummaryMaxLength, "V={%.2f,%.2f,%.2f} A=%.0f%c", ext->Vx, ext->Vy, ext->Vz, ext->Angle, 176);
		else if( ext->m_IsDir )
		{
			//float d[] = {1, 0, 0};
			//ApplyQuat(d+0, d+1, d+2, 1, 0, 0, (float)ext->Qx, (float)ext->Qy, (float)ext->Qz, (float)ext->Qs);
			_snprintf(_SummaryString, _SummaryMaxLength, "V={%.2f,%.2f,%.2f}", ext->Dx, ext->Dy, ext->Dz);
		}
		else
			_snprintf(_SummaryString, _SummaryMaxLength, "Q={x:%.2f,y:%.2f,z:%.2f,s:%.2f}", ext->Qx, ext->Qy, ext->Qz, ext->Qs);
	}
	else
	{
		_SummaryString[0] = ' ';	// required to force background color for this value
		_SummaryString[1] = '\0';
	}
}

TwType CQuaternionExt::s_CustomType = TW_TYPE_UNDEF;
vector<float>	CQuaternionExt::s_SphTri;
vector<color32> CQuaternionExt::s_SphCol;
vector<int>		CQuaternionExt::s_SphTriProj;
vector<color32> CQuaternionExt::s_SphColLight;
vector<float>	CQuaternionExt::s_ArrowTri[4];
vector<float>	CQuaternionExt::s_ArrowNorm[4];
vector<int>		CQuaternionExt::s_ArrowTriProj[4];
vector<color32> CQuaternionExt::s_ArrowColLight[4];

void CQuaternionExt::CreateTypes()
{
	if( g_TwMgr==NULL )
		return;
	s_CustomType = (TwType)(TW_TYPE_CUSTOM_BASE + (int)g_TwMgr->m_Customs.size());
	g_TwMgr->m_Customs.push_back(NULL); // increment custom type number

	for(int pass=0; pass<2; pass++) // pass 0: create quat types; pass 1: create dir types
	{
		const char *quatDefPass0 = "step=0.01 hide";
		const char *quatDefPass1 = "step=0.01 hide";
		const char *quatSDefPass0 = "step=0.01 min=-1 max=1 hide";
		const char *quatSDefPass1 = "step=0.01 min=-1 max=1 hide";
		const char *dirDefPass0 = "step=0.01 hide";
		const char *dirDefPass1 = "step=0.01";
		const char *quatDef = (pass==0) ? quatDefPass0 : quatDefPass1;
		const char *quatSDef = (pass==0) ? quatSDefPass0 : quatSDefPass1;
		const char *dirDef = (pass==0) ? dirDefPass0 : dirDefPass1;

		TwStructMember QuatExtMembers[] = { { "0", s_CustomType, 0, "" },
											{ "1", s_CustomType, 0, "" },
											{ "2", s_CustomType, 0, "" },
											{ "3", s_CustomType, 0, "" },
											{ "Quat X", TW_TYPE_DOUBLE, offsetof(CQuaternionExt, Qx), quatDef }, // copy of the source quaternion
											{ "Quat Y", TW_TYPE_DOUBLE, offsetof(CQuaternionExt, Qy), quatDef },
											{ "Quat Z", TW_TYPE_DOUBLE, offsetof(CQuaternionExt, Qz), quatDef },
											{ "Quat S", TW_TYPE_DOUBLE, offsetof(CQuaternionExt, Qs), quatSDef },
											{ "Axis X", TW_TYPE_DOUBLE, offsetof(CQuaternionExt, Vx), "step=0.01 hide" }, // axis and angle conversion -> Mode hidden because it is not equivalent to a quat (would have required vector renormalization)
											{ "Axis Y", TW_TYPE_DOUBLE, offsetof(CQuaternionExt, Vy), "step=0.01 hide" },
											{ "Axis Z", TW_TYPE_DOUBLE, offsetof(CQuaternionExt, Vz), "step=0.01 hide" },
											{ "Angle (degree)",  TW_TYPE_DOUBLE, offsetof(CQuaternionExt, Angle), "step=1 min=-360 max=360 hide" },
											{ "Mode", TW_TYPE_BOOLCPP, offsetof(CQuaternionExt, m_AAMode), "true='Axis Angle' false='Quaternion' readwrite hide" },
											{ "Dir X", TW_TYPE_DOUBLE, offsetof(CQuaternionExt, Dx), dirDef },		// copy of the source direction
											{ "Dir Y", TW_TYPE_DOUBLE, offsetof(CQuaternionExt, Dy), dirDef },
											{ "Dir Z", TW_TYPE_DOUBLE, offsetof(CQuaternionExt, Dz), dirDef } };
		if( pass==0 )
		{
			g_TwMgr->m_TypeQuat4F = TwDefineStructExt("QUAT4F", QuatExtMembers, sizeof(QuatExtMembers)/sizeof(QuatExtMembers[0]), 4*sizeof(float), sizeof(CQuaternionExt), CQuaternionExt::InitQuat4FCB, CQuaternionExt::CopyVarFromExtCB, CQuaternionExt::CopyVarToExtCB, CQuaternionExt::SummaryCB, CTwMgr::CStruct::s_PassProxyAsClientData, "A 4-floats-encoded quaternion");
			g_TwMgr->m_TypeQuat4D = TwDefineStructExt("QUAT4D", QuatExtMembers, sizeof(QuatExtMembers)/sizeof(QuatExtMembers[0]), 4*sizeof(double), sizeof(CQuaternionExt), CQuaternionExt::InitQuat4DCB, CQuaternionExt::CopyVarFromExtCB, CQuaternionExt::CopyVarToExtCB, CQuaternionExt::SummaryCB, CTwMgr::CStruct::s_PassProxyAsClientData, "A 4-doubles-encoded quaternion");
		}
		else if( pass==1 )
		{
			g_TwMgr->m_TypeDir3F = TwDefineStructExt("DIR4F", QuatExtMembers, sizeof(QuatExtMembers)/sizeof(QuatExtMembers[0]), 3*sizeof(float), sizeof(CQuaternionExt), CQuaternionExt::InitDir3FCB, CQuaternionExt::CopyVarFromExtCB, CQuaternionExt::CopyVarToExtCB, CQuaternionExt::SummaryCB, CTwMgr::CStruct::s_PassProxyAsClientData, "A 3-floats-encoded direction");
			g_TwMgr->m_TypeDir3D = TwDefineStructExt("DIR4D", QuatExtMembers, sizeof(QuatExtMembers)/sizeof(QuatExtMembers[0]), 3*sizeof(double), sizeof(CQuaternionExt), CQuaternionExt::InitDir3DCB, CQuaternionExt::CopyVarFromExtCB, CQuaternionExt::CopyVarToExtCB, CQuaternionExt::SummaryCB, CTwMgr::CStruct::s_PassProxyAsClientData, "A 3-doubles-encoded direction");
		}
	}

	CreateSphere();
	CreateArrow();
}

void CQuaternionExt::ConvertToAxisAngle()
{
	if( fabs(Qs)>(1.0 + FLOAT_EPS) )
	{
		//Vx = Vy = Vz = 0; // no, keep the previous value
		Angle = 0;
	}
	else
	{
		double a;
		if( Qs>=1.0f )
			a = 0; // and keep V
		else if( Qs<=-1.0f )
			a = DOUBLE_PI; // and keep V
		else if( fabs(Qx*Qx+Qy*Qy+Qz*Qz+Qs*Qs)<FLOAT_EPS_SQ )
			a = 0;
		else
		{
			a = acos(Qs);
			if( a*Angle<0 ) // Preserve the sign of Angle
				a = -a;
			double f = 1.0f / sin(a);
			Vx = Qx * f;
			Vy = Qy * f;
			Vz = Qz * f;
		}
		Angle = 2.0*a;
	}

	//	if( Angle>FLOAT_PI )
	//		Angle -= 2.0f*FLOAT_PI;
	//	else if( Angle<-FLOAT_PI )
	//		Angle += 2.0f*FLOAT_PI;
	Angle = RadToDeg(Angle);

	if( fabs(Angle)<FLOAT_EPS && fabs(Vx*Vx+Vy*Vy+Vz*Vz)<FLOAT_EPS_SQ )
		Vx = 1.0e-7;	// all components cannot be null
}

void CQuaternionExt::ConvertFromAxisAngle()
{
	double n = Vx*Vx + Vy*Vy + Vz*Vz;
	if( fabs(n)>FLOAT_EPS_SQ )
	{
		double f = 0.5*DegToRad(Angle);
		Qs = cos(f);
		//do not normalize
		//if( fabs(n - 1.0)>FLOAT_EPS_SQ )
		//	f = sin(f) * (1.0/sqrt(n)) ;
		//else
		//	f = sin(f);
		f = sin(f);

		Qx = Vx * f;
		Qy = Vy * f;
		Qz = Vz * f;
	}
	else
	{
		Qs = 1.0;
		Qx = Qy = Qz = 0.0;
	}
}

void CQuaternionExt::CopyToVar()
{
	if( m_StructProxy!=NULL )
	{
		if( m_StructProxy->m_StructSetCallback!=NULL )
		{
			if( m_IsFloat )
			{
				if( m_IsDir )
				{
					float d[] = {1, 0, 0};
					ApplyQuat(d+0, d+1, d+2, 1, 0, 0, (float)Qx, (float)Qy, (float)Qz, (float)Qs);
					float l = (float)sqrt(Dx*Dx + Dy*Dy + Dz*Dz);
					d[0] *= l; d[1] *= l; d[2] *= l;
					Dx = d[0]; Dy = d[1]; Dz = d[2]; // update also Dx,Dy,Dz
					m_StructProxy->m_StructSetCallback(d, m_StructProxy->m_StructClientData);
				}
				else
				{
					float q[] = { (float)Qx, (float)Qy, (float)Qz, (float)Qs };
					m_StructProxy->m_StructSetCallback(q, m_StructProxy->m_StructClientData);
				}
			}
			else
			{
				if( m_IsDir )
				{
					float d[] = {1, 0, 0};
					ApplyQuat(d+0, d+1, d+2, 1, 0, 0, (float)Qx, (float)Qy, (float)Qz, (float)Qs);
					double l = sqrt(Dx*Dx + Dy*Dy + Dz*Dz);
					double dd[] = {l*d[0], l*d[1], l*d[2]};
					Dx = dd[0]; Dy = dd[1]; Dz = dd[2]; // update also Dx,Dy,Dz
					m_StructProxy->m_StructSetCallback(dd, m_StructProxy->m_StructClientData);
				}
				else
				{
					double q[] = { Qx, Qy, Qz, Qs };
					m_StructProxy->m_StructSetCallback(q, m_StructProxy->m_StructClientData);
				}
			}
		}
		else if( m_StructProxy->m_StructData!=NULL )
		{
			if( m_IsFloat )
			{
				if( m_IsDir )
				{
					float *d = static_cast<float *>(m_StructProxy->m_StructData);
					ApplyQuat(d+0, d+1, d+2, 1, 0, 0, (float)Qx, (float)Qy, (float)Qz, (float)Qs);
					float l = (float)sqrt(Dx*Dx + Dy*Dy + Dz*Dz);
					d[0] *= l; d[1] *= l; d[2] *= l;
					Dx = d[0]; Dy = d[1]; Dz = d[2]; // update also Dx,Dy,Dz
				}
				else
				{
					float *q = static_cast<float *>(m_StructProxy->m_StructData);
					q[0] = (float)Qx; q[1] = (float)Qy; q[2] = (float)Qz; q[3] = (float)Qs;
				}
			}
			else
			{
				if( m_IsDir )
				{
					double *dd = static_cast<double *>(m_StructProxy->m_StructData);
					float d[] = {1, 0, 0};
					ApplyQuat(d+0, d+1, d+2, 1, 0, 0, (float)Qx, (float)Qy, (float)Qz, (float)Qs);
					double l = sqrt(Dx*Dx + Dy*Dy + Dz*Dz);
					dd[0] = l*d[0]; dd[1] = l*d[1]; dd[2] = l*d[2];
					Dx = dd[0]; Dy = dd[1]; Dz = dd[2]; // update also Dx,Dy,Dz
				}
				else
				{
					double *q = static_cast<double *>(m_StructProxy->m_StructData);
					q[0] = Qx; q[1] = Qy; q[2] = Qz; q[3] = Qs;
				}
			}
		}
	}
}

void CQuaternionExt::CreateSphere()
{
	const int SUBDIV = 7;
	s_SphTri.clear();
	s_SphCol.clear();

	const float A[8*3] = { 1,0,0, 0,0,-1, -1,0,0, 0,0,1,   0,0,1,  1,0,0,  0,0,-1, -1,0,0 };
	const float B[8*3] = { 0,1,0, 0,1,0,  0,1,0,  0,1,0,   0,-1,0, 0,-1,0, 0,-1,0, 0,-1,0 };
	const float C[8*3] = { 0,0,1, 1,0,0,  0,0,-1, -1,0,0,  1,0,0,  0,0,-1, -1,0,0, 0,0,1  };
	//const color32 COL_A[8] = { 0xffff8080, 0xff000080, 0xff800000, 0xff8080ff,  0xff8080ff, 0xffff8080, 0xff000080, 0xff800000 };
	//const color32 COL_B[8] = { 0xff80ff80, 0xff80ff80, 0xff80ff80, 0xff80ff80,  0xff008000, 0xff008000, 0xff008000, 0xff008000 };
	//const color32 COL_C[8] = { 0xff8080ff, 0xffff8080, 0xff000080, 0xff800000,  0xffff8080, 0xff000080, 0xff800000, 0xff8080ff };
	const color32 COL_A[8] = { 0xffffffff, 0xffffff40, 0xff40ff40, 0xff40ffff,	0xffff40ff, 0xffff4040, 0xff404040, 0xff4040ff };
	const color32 COL_B[8] = { 0xffffffff, 0xffffff40, 0xff40ff40, 0xff40ffff,	0xffff40ff, 0xffff4040, 0xff404040, 0xff4040ff };
	const color32 COL_C[8] = { 0xffffffff, 0xffffff40, 0xff40ff40, 0xff40ffff,	0xffff40ff, 0xffff4040, 0xff404040, 0xff4040ff };

	int i, j, k, l;
	float xa, ya, za, xb, yb, zb, xc, yc, zc, x, y, z, norm, u[3], v[3];
	color32 col;
	for( i=0; i<8; ++i )
	{
		xa = A[3*i+0]; ya = A[3*i+1]; za = A[3*i+2];
		xb = B[3*i+0]; yb = B[3*i+1]; zb = B[3*i+2];
		xc = C[3*i+0]; yc = C[3*i+1]; zc = C[3*i+2];
		for( j=0; j<=SUBDIV; ++j )
			for( k=0; k<=2*(SUBDIV-j); ++k )
			{
				if( k%2==0 )
				{
					u[0] = ((float)j)/(SUBDIV+1);
					v[0] = ((float)(k/2))/(SUBDIV+1);
					u[1] = ((float)(j+1))/(SUBDIV+1);
					v[1] = ((float)(k/2))/(SUBDIV+1);
					u[2] = ((float)j)/(SUBDIV+1);
					v[2] = ((float)(k/2+1))/(SUBDIV+1);
				}
				else
				{
					u[0] = ((float)j)/(SUBDIV+1);
					v[0] = ((float)(k/2+1))/(SUBDIV+1);
					u[1] = ((float)(j+1))/(SUBDIV+1);
					v[1] = ((float)(k/2))/(SUBDIV+1);
					u[2] = ((float)(j+1))/(SUBDIV+1);
					v[2] = ((float)(k/2+1))/(SUBDIV+1);
				}

				for( l=0; l<3; ++l )
				{
					x = (1.0f-u[l]-v[l])*xa + u[l]*xb + v[l]*xc;
					y = (1.0f-u[l]-v[l])*ya + u[l]*yb + v[l]*yc;
					z = (1.0f-u[l]-v[l])*za + u[l]*zb + v[l]*zc;
					norm = sqrtf(x*x+y*y+z*z);
					x /= norm; y /= norm; z /= norm;
					s_SphTri.push_back(x); s_SphTri.push_back(y); s_SphTri.push_back(z);
					if( u[l]+v[l]>FLOAT_EPS )
						col = ColorBlend(COL_A[i], ColorBlend(COL_B[i], COL_C[i], v[l]/(u[l]+v[l])), u[l]+v[l]);
					else
						col = COL_A[i];
					//if( (j==0 && k==0) || (j==0 && k==2*SUBDIV) || (j==SUBDIV && k==0) )
					//	col = 0xffff0000;
					s_SphCol.push_back(col);
				}
			}
	}
	s_SphTriProj.clear();
	s_SphTriProj.resize(2*s_SphCol.size(), 0);
	s_SphColLight.clear();
	s_SphColLight.resize(s_SphCol.size(), 0);
}

void CQuaternionExt::CreateArrow()
{
	const int	SUBDIV	= 15;
	const float CYL_RADIUS	= 0.08f;
	const float CONE_RADIUS = 0.16f;
	const float CONE_LENGTH = 0.25f;
	const float ARROW_BGN = -1.1f;
	const float ARROW_END = 1.15f;
	int i;
	for(i=0; i<4; ++i)
	{
		s_ArrowTri[i].clear();
		s_ArrowNorm[i].clear();
	}

	float x0, x1, y0, y1, z0, z1, a0, a1, nx, nn;
	for(i=0; i<SUBDIV; ++i)
	{
		a0 = 2.0f*FLOAT_PI*(float(i))/SUBDIV;
		a1 = 2.0f*FLOAT_PI*(float(i+1))/SUBDIV;
		x0 = ARROW_BGN;
		x1 = ARROW_END-CONE_LENGTH;
		y0 = cosf(a0);
		z0 = sinf(a0);
		y1 = cosf(a1);
		z1 = sinf(a1);
		s_ArrowTri[ARROW_CYL].push_back(x1); s_ArrowTri[ARROW_CYL].push_back(CYL_RADIUS*y0); s_ArrowTri[ARROW_CYL].push_back(CYL_RADIUS*z0);
		s_ArrowTri[ARROW_CYL].push_back(x0); s_ArrowTri[ARROW_CYL].push_back(CYL_RADIUS*y0); s_ArrowTri[ARROW_CYL].push_back(CYL_RADIUS*z0);
		s_ArrowTri[ARROW_CYL].push_back(x0); s_ArrowTri[ARROW_CYL].push_back(CYL_RADIUS*y1); s_ArrowTri[ARROW_CYL].push_back(CYL_RADIUS*z1);
		s_ArrowTri[ARROW_CYL].push_back(x1); s_ArrowTri[ARROW_CYL].push_back(CYL_RADIUS*y0); s_ArrowTri[ARROW_CYL].push_back(CYL_RADIUS*z0);
		s_ArrowTri[ARROW_CYL].push_back(x0); s_ArrowTri[ARROW_CYL].push_back(CYL_RADIUS*y1); s_ArrowTri[ARROW_CYL].push_back(CYL_RADIUS*z1);
		s_ArrowTri[ARROW_CYL].push_back(x1); s_ArrowTri[ARROW_CYL].push_back(CYL_RADIUS*y1); s_ArrowTri[ARROW_CYL].push_back(CYL_RADIUS*z1);
		s_ArrowNorm[ARROW_CYL].push_back(0); s_ArrowNorm[ARROW_CYL].push_back(y0); s_ArrowNorm[ARROW_CYL].push_back(z0);
		s_ArrowNorm[ARROW_CYL].push_back(0); s_ArrowNorm[ARROW_CYL].push_back(y0); s_ArrowNorm[ARROW_CYL].push_back(z0);
		s_ArrowNorm[ARROW_CYL].push_back(0); s_ArrowNorm[ARROW_CYL].push_back(y1); s_ArrowNorm[ARROW_CYL].push_back(z1);
		s_ArrowNorm[ARROW_CYL].push_back(0); s_ArrowNorm[ARROW_CYL].push_back(y0); s_ArrowNorm[ARROW_CYL].push_back(z0);
		s_ArrowNorm[ARROW_CYL].push_back(0); s_ArrowNorm[ARROW_CYL].push_back(y1); s_ArrowNorm[ARROW_CYL].push_back(z1);
		s_ArrowNorm[ARROW_CYL].push_back(0); s_ArrowNorm[ARROW_CYL].push_back(y1); s_ArrowNorm[ARROW_CYL].push_back(z1);
		s_ArrowTri[ARROW_CYL_CAP].push_back(x0); s_ArrowTri[ARROW_CYL_CAP].push_back(0); s_ArrowTri[ARROW_CYL_CAP].push_back(0);
		s_ArrowTri[ARROW_CYL_CAP].push_back(x0); s_ArrowTri[ARROW_CYL_CAP].push_back(CYL_RADIUS*y1); s_ArrowTri[ARROW_CYL_CAP].push_back(CYL_RADIUS*z1);
		s_ArrowTri[ARROW_CYL_CAP].push_back(x0); s_ArrowTri[ARROW_CYL_CAP].push_back(CYL_RADIUS*y0); s_ArrowTri[ARROW_CYL_CAP].push_back(CYL_RADIUS*z0);
		s_ArrowNorm[ARROW_CYL_CAP].push_back(-1); s_ArrowNorm[ARROW_CYL_CAP].push_back(0); s_ArrowNorm[ARROW_CYL_CAP].push_back(0);
		s_ArrowNorm[ARROW_CYL_CAP].push_back(-1); s_ArrowNorm[ARROW_CYL_CAP].push_back(0); s_ArrowNorm[ARROW_CYL_CAP].push_back(0);
		s_ArrowNorm[ARROW_CYL_CAP].push_back(-1); s_ArrowNorm[ARROW_CYL_CAP].push_back(0); s_ArrowNorm[ARROW_CYL_CAP].push_back(0);
		x0 = ARROW_END-CONE_LENGTH;
		x1 = ARROW_END;
		nx = CONE_RADIUS/(x1-x0);
		nn = 1.0f/sqrtf(nx*nx+1);
		s_ArrowTri[ARROW_CONE].push_back(x1); s_ArrowTri[ARROW_CONE].push_back(0); s_ArrowTri[ARROW_CONE].push_back(0);
		s_ArrowTri[ARROW_CONE].push_back(x0); s_ArrowTri[ARROW_CONE].push_back(CONE_RADIUS*y0); s_ArrowTri[ARROW_CONE].push_back(CONE_RADIUS*z0);
		s_ArrowTri[ARROW_CONE].push_back(x0); s_ArrowTri[ARROW_CONE].push_back(CONE_RADIUS*y1); s_ArrowTri[ARROW_CONE].push_back(CONE_RADIUS*z1);
		s_ArrowTri[ARROW_CONE].push_back(x1); s_ArrowTri[ARROW_CONE].push_back(0); s_ArrowTri[ARROW_CONE].push_back(0);
		s_ArrowTri[ARROW_CONE].push_back(x0); s_ArrowTri[ARROW_CONE].push_back(CONE_RADIUS*y1); s_ArrowTri[ARROW_CONE].push_back(CONE_RADIUS*z1);
		s_ArrowTri[ARROW_CONE].push_back(x1); s_ArrowTri[ARROW_CONE].push_back(0); s_ArrowTri[ARROW_CONE].push_back(0);
		s_ArrowNorm[ARROW_CONE].push_back(nn*nx); s_ArrowNorm[ARROW_CONE].push_back(nn*y0); s_ArrowNorm[ARROW_CONE].push_back(nn*z0);
		s_ArrowNorm[ARROW_CONE].push_back(nn*nx); s_ArrowNorm[ARROW_CONE].push_back(nn*y0); s_ArrowNorm[ARROW_CONE].push_back(nn*z0);
		s_ArrowNorm[ARROW_CONE].push_back(nn*nx); s_ArrowNorm[ARROW_CONE].push_back(nn*y1); s_ArrowNorm[ARROW_CONE].push_back(nn*z1);
		s_ArrowNorm[ARROW_CONE].push_back(nn*nx); s_ArrowNorm[ARROW_CONE].push_back(nn*y0); s_ArrowNorm[ARROW_CONE].push_back(nn*z0);
		s_ArrowNorm[ARROW_CONE].push_back(nn*nx); s_ArrowNorm[ARROW_CONE].push_back(nn*y1); s_ArrowNorm[ARROW_CONE].push_back(nn*z1);
		s_ArrowNorm[ARROW_CONE].push_back(nn*nx); s_ArrowNorm[ARROW_CONE].push_back(nn*y1); s_ArrowNorm[ARROW_CONE].push_back(nn*z1);
		s_ArrowTri[ARROW_CONE_CAP].push_back(x0); s_ArrowTri[ARROW_CONE_CAP].push_back(0); s_ArrowTri[ARROW_CONE_CAP].push_back(0);
		s_ArrowTri[ARROW_CONE_CAP].push_back(x0); s_ArrowTri[ARROW_CONE_CAP].push_back(CONE_RADIUS*y1); s_ArrowTri[ARROW_CONE_CAP].push_back(CONE_RADIUS*z1);
		s_ArrowTri[ARROW_CONE_CAP].push_back(x0); s_ArrowTri[ARROW_CONE_CAP].push_back(CONE_RADIUS*y0); s_ArrowTri[ARROW_CONE_CAP].push_back(CONE_RADIUS*z0);
		s_ArrowNorm[ARROW_CONE_CAP].push_back(-1); s_ArrowNorm[ARROW_CONE_CAP].push_back(0); s_ArrowNorm[ARROW_CONE_CAP].push_back(0);
		s_ArrowNorm[ARROW_CONE_CAP].push_back(-1); s_ArrowNorm[ARROW_CONE_CAP].push_back(0); s_ArrowNorm[ARROW_CONE_CAP].push_back(0);
		s_ArrowNorm[ARROW_CONE_CAP].push_back(-1); s_ArrowNorm[ARROW_CONE_CAP].push_back(0); s_ArrowNorm[ARROW_CONE_CAP].push_back(0);
	}

	for(i=0; i<4; ++i)
	{
		s_ArrowTriProj[i].clear();
		s_ArrowTriProj[i].resize(2*(s_ArrowTri[i].size()/3), 0);
		s_ArrowColLight[i].clear();
		s_ArrowColLight[i].resize(s_ArrowTri[i].size()/3, 0);
	}
}

static inline void QuatMult(double *out, const double *q1, const double *q2)
{
	out[0] = q1[3]*q2[0] + q1[0]*q2[3] + q1[1]*q2[2] - q1[2]*q2[1];
	out[1] = q1[3]*q2[1] + q1[1]*q2[3] + q1[2]*q2[0] - q1[0]*q2[2];
	out[2] = q1[3]*q2[2] + q1[2]*q2[3] + q1[0]*q2[1] - q1[1]*q2[0];
	out[3] = q1[3]*q2[3] - (q1[0]*q2[0] + q1[1]*q2[1] + q1[2]*q2[2]);
}

static inline void QuatFromAxisAngle(double *out, const double *axis, double angle)
{
	double n = axis[0]*axis[0] + axis[1]*axis[1] + axis[2]*axis[2];
	if( fabs(n)>DOUBLE_EPS )
	{
		double f = 0.5*angle;
		out[3] = cos(f);
		f = sin(f)/sqrt(n);
		out[0] = axis[0]*f;
		out[1] = axis[1]*f;
		out[2] = axis[2]*f;
	}
	else
	{
		out[3] = 1.0;
		out[0] = out[1] = out[2] = 0.0;
	}
}

static inline void Vec3Cross(double *out, const double *a, const double *b)
{
	out[0] = a[1]*b[2]-a[2]*b[1];
	out[1] = a[2]*b[0]-a[0]*b[2];
	out[2] = a[0]*b[1]-a[1]*b[0];
}

static inline double Vec3Dot(const double *a, const double *b)
{
	return a[0]*b[0] + a[1]*b[1] + a[2]*b[2];
}

static inline void Vec3RotY(float *x, float *y, float *z)
{
	(void)y;
	float tmp = *x;
	*x = - *z;
	*z = tmp;
}

static inline void Vec3RotZ(float *x, float *y, float *z)
{
	(void)z;
	float tmp = *x;
	*x = - *y;
	*y = tmp;
}

void CQuaternionExt::ApplyQuat(float *outX, float *outY, float *outZ, float x, float y, float z, float qx, float qy, float qz, float qs)
{
	float ps = - qx * x - qy * y - qz * z;
	float px =	 qs * x + qy * z - qz * y;
	float py =	 qs * y + qz * x - qx * z;
	float pz =	 qs * z + qx * y - qy * x;
	*outX = - ps * qx + px * qs - py * qz + pz * qy;
	*outY = - ps * qy + py * qs - pz * qx + px * qz;
	*outZ = - ps * qz + pz * qs - px * qy + py * qx;
}

void CQuaternionExt::QuatFromDir(double *outQx, double *outQy, double *outQz, double *outQs, double dx, double dy, double dz)
{
	// compute a quaternion that rotates (1,0,0) to (dx,dy,dz)

	double dn = sqrt(dx*dx + dy*dy + dz*dz);
	if( dn<DOUBLE_EPS_SQ )
	{
		*outQx = *outQy = *outQz = 0;
		*outQs = 1;
	}
	else
	{
		double rotAxis[3] = { 0, -dz, dy };
		if( rotAxis[0]*rotAxis[0] + rotAxis[1]*rotAxis[1] + rotAxis[2]*rotAxis[2]<DOUBLE_EPS_SQ )
		{
			rotAxis[0] = rotAxis[1] = 0;
			rotAxis[2] = 1;
		}
		double rotAngle = acos(dx/dn);
		double rotQuat[4];
		QuatFromAxisAngle(rotQuat, rotAxis, rotAngle);
		*outQx = rotQuat[0];
		*outQy = rotQuat[1];
		*outQz = rotQuat[2];
		*outQs = rotQuat[3];
	}
}

void CQuaternionExt::Permute(float *outX, float *outY, float *outZ, float x, float y, float z)
{
	float px = x, py = y, pz = z;
	*outX = m_Permute[0][0]*px + m_Permute[1][0]*py + m_Permute[2][0]*pz;
	*outY = m_Permute[0][1]*px + m_Permute[1][1]*py + m_Permute[2][1]*pz;
	*outZ = m_Permute[0][2]*px + m_Permute[1][2]*py + m_Permute[2][2]*pz;
}

void CQuaternionExt::PermuteInv(float *outX, float *outY, float *outZ, float x, float y, float z)
{
	float px = x, py = y, pz = z;
	*outX = m_Permute[0][0]*px + m_Permute[0][1]*py + m_Permute[0][2]*pz;
	*outY = m_Permute[1][0]*px + m_Permute[1][1]*py + m_Permute[1][2]*pz;
	*outZ = m_Permute[2][0]*px + m_Permute[2][1]*py + m_Permute[2][2]*pz;
}

void CQuaternionExt::Permute(double *outX, double *outY, double *outZ, double x, double y, double z)
{
	double px = x, py = y, pz = z;
	*outX = m_Permute[0][0]*px + m_Permute[1][0]*py + m_Permute[2][0]*pz;
	*outY = m_Permute[0][1]*px + m_Permute[1][1]*py + m_Permute[2][1]*pz;
	*outZ = m_Permute[0][2]*px + m_Permute[1][2]*py + m_Permute[2][2]*pz;
}

void CQuaternionExt::PermuteInv(double *outX, double *outY, double *outZ, double x, double y, double z)
{
	double px = x, py = y, pz = z;
	*outX = m_Permute[0][0]*px + m_Permute[0][1]*py + m_Permute[0][2]*pz;
	*outY = m_Permute[1][0]*px + m_Permute[1][1]*py + m_Permute[1][2]*pz;
	*outZ = m_Permute[2][0]*px + m_Permute[2][1]*py + m_Permute[2][2]*pz;
}

static inline float QuatD(int w, int h)
{
	return (float)min(abs(w), abs(h)) - 4;
}

static inline int QuatPX(float x, int w, int h)
{
	return (int)(x*0.5f*QuatD(w, h) + (float)w*0.5f + 0.5f);
}

static inline int QuatPY(float y, int w, int h)
{
	return (int)(-y*0.5f*QuatD(w, h) + (float)h*0.5f - 0.5f);
}

static inline float QuatIX(int x, int w, int h)
{
	return (2.0f*(float)x - (float)w - 1.0f)/QuatD(w, h);
}

static inline float QuatIY(int y, int w, int h)
{
	return (-2.0f*(float)y + (float)h - 1.0f)/QuatD(w, h);
}

void CQuaternionExt::DrawCB(int w, int h, void *_ExtValue, void *_ClientData, TwBar *_Bar_, CTwVarGroup *varGrp)
{
	AntTweakBar::CTwBar* _Bar = static_cast<CTwBar*>(_Bar_);

	if( g_TwMgr==NULL || g_TwMgr->m_Graph==NULL )
		return;
	assert( g_TwMgr->m_Graph->IsDrawing() );
	CQuaternionExt *ext = static_cast<CQuaternionExt *>(_ExtValue);
	assert( ext!=NULL );
	(void)_ClientData; (void)_Bar;

	// show/hide quat values
	assert( varGrp->m_Vars.size()==16 );
	bool visible = ext->m_ShowVal;
	if( ext->m_IsDir )
	{
		if(    varGrp->m_Vars[13]->m_Visible != visible
			|| varGrp->m_Vars[14]->m_Visible != visible
			|| varGrp->m_Vars[15]->m_Visible != visible )
		{
			varGrp->m_Vars[13]->m_Visible = visible;
			varGrp->m_Vars[14]->m_Visible = visible;
			varGrp->m_Vars[15]->m_Visible = visible;
			_Bar->NotUpToDate();
		}
	}
	else
	{
		if(    varGrp->m_Vars[4]->m_Visible != visible
			|| varGrp->m_Vars[5]->m_Visible != visible
			|| varGrp->m_Vars[6]->m_Visible != visible
			|| varGrp->m_Vars[7]->m_Visible != visible )
		{
			varGrp->m_Vars[4]->m_Visible = visible;
			varGrp->m_Vars[5]->m_Visible = visible;
			varGrp->m_Vars[6]->m_Visible = visible;
			varGrp->m_Vars[7]->m_Visible = visible;
			_Bar->NotUpToDate();
		}
	}

	// force ext update
	static_cast<CTwVarAtom *>(varGrp->m_Vars[4])->ValueToDouble();

	assert( s_SphTri.size()>0 );
	assert( s_SphTri.size()==3*s_SphCol.size() );
	assert( s_SphTriProj.size()==2*s_SphCol.size() );
	assert( s_SphColLight.size()==s_SphCol.size() );

	if( QuatD(w, h)<=2 )
		return;
	float x, y, z, nx, ny, nz, kx, ky, kz, qx, qy, qz, qs;
	int i, j, k, l, m;

	// normalize quaternion
	float qn = (float)sqrt(ext->Qs*ext->Qs+ext->Qx*ext->Qx+ext->Qy*ext->Qy+ext->Qz*ext->Qz);
	if( qn>FLOAT_EPS )
	{
		qx = (float)ext->Qx/qn;
		qy = (float)ext->Qy/qn;
		qz = (float)ext->Qz/qn;
		qs = (float)ext->Qs/qn;
	}
	else
	{
		qx = qy = qz = 0;
		qs = 1;
	}

	double normDir = sqrt(ext->m_Dir[0]*ext->m_Dir[0] + ext->m_Dir[1]*ext->m_Dir[1] + ext->m_Dir[2]*ext->m_Dir[2]);
	bool drawDir = ext->m_IsDir || (normDir>DOUBLE_EPS);
	color32 alpha = ext->m_Highlighted ? 0xffffffff : 0xb0ffffff;

	// check if frame is right-handed
	ext->Permute(&kx, &ky, &kz, 1, 0, 0);
	double px[3] = { (double)kx, (double)ky, (double)kz };
	ext->Permute(&kx, &ky, &kz, 0, 1, 0);
	double py[3] = { (double)kx, (double)ky, (double)kz };
	ext->Permute(&kx, &ky, &kz, 0, 0, 1);
	double pz[3] = { (double)kx, (double)ky, (double)kz };
	double ez[3];
	Vec3Cross(ez, px, py);
	bool frameRightHanded = (ez[0]*pz[0]+ez[1]*pz[1]+ez[2]*pz[2] >= 0);
	ITwGraph::Cull cull = frameRightHanded ? ITwGraph::CULL_CW : ITwGraph::CULL_CCW;

	if( drawDir )
	{
		float dir[] = {(float)ext->m_Dir[0], (float)ext->m_Dir[1], (float)ext->m_Dir[2]};
		if( normDir<DOUBLE_EPS )
		{
			normDir = 1;
			dir[0] = 1;
		}
		kx = dir[0]; ky = dir[1]; kz = dir[2];
		double rotDirAxis[3] = { 0, -kz, ky };
		if( rotDirAxis[0]*rotDirAxis[0] + rotDirAxis[1]*rotDirAxis[1] + rotDirAxis[2]*rotDirAxis[2]<DOUBLE_EPS_SQ )
		{
			rotDirAxis[0] = rotDirAxis[1] = 0;
			rotDirAxis[2] = 1;
		}
		double rotDirAngle = acos(kx/normDir);
		double rotDirQuat[4];
		QuatFromAxisAngle(rotDirQuat, rotDirAxis, rotDirAngle);

		kx = 1; ky = 0; kz = 0;
		ApplyQuat(&kx, &ky, &kz, kx, ky, kz, (float)rotDirQuat[0], (float)rotDirQuat[1], (float)rotDirQuat[2], (float)rotDirQuat[3]);
		ApplyQuat(&kx, &ky, &kz, kx, ky, kz, qx, qy, qz, qs);
		for(k=0; k<4; ++k) // 4 parts of the arrow
		{
			// draw order
			ext->Permute(&x, &y, &z, kx, ky, kz);
			j = (z>0) ? 3-k : k;

			assert( s_ArrowTriProj[j].size()==2*(s_ArrowTri[j].size()/3) && s_ArrowColLight[j].size()==s_ArrowTri[j].size()/3 && s_ArrowNorm[j].size()==s_ArrowTri[j].size() );
			const int ntri = (int)s_ArrowTri[j].size()/3;
			const float *tri = &(s_ArrowTri[j][0]);
			const float *norm = &(s_ArrowNorm[j][0]);
			int *triProj = &(s_ArrowTriProj[j][0]);
			color32 *colLight = &(s_ArrowColLight[j][0]);
			for(i=0; i<ntri; ++i)
			{
				x = tri[3*i+0]; y = tri[3*i+1]; z = tri[3*i+2];
				nx = norm[3*i+0]; ny = norm[3*i+1]; nz = norm[3*i+2];
				if( x>0 )
					x = 2.5f*x - 2.0f;
				else
					x += 0.2f;
				y *= 1.5f;
				z *= 1.5f;
				ApplyQuat(&x, &y, &z, x, y, z, (float)rotDirQuat[0], (float)rotDirQuat[1], (float)rotDirQuat[2], (float)rotDirQuat[3]);
				ApplyQuat(&x, &y, &z, x, y, z, qx, qy, qz, qs);
				ext->Permute(&x, &y, &z, x, y, z);
				ApplyQuat(&nx, &ny, &nz, nx, ny, nz, (float)rotDirQuat[0], (float)rotDirQuat[1], (float)rotDirQuat[2], (float)rotDirQuat[3]);
				ApplyQuat(&nx, &ny, &nz, nx, ny, nz, qx, qy, qz, qs);
				ext->Permute(&nx, &ny, &nz, nx, ny, nz);
				triProj[2*i+0] = QuatPX(x, w, h);
				triProj[2*i+1] = QuatPY(y, w, h);
				color32 col = (ext->m_DirColor|0xff000000) & alpha;
				colLight[i] = ColorBlend(0xff000000, col, fabsf(TClamp(nz, -1.0f, 1.0f)));
			}
			if( s_ArrowTri[j].size()>=9 ) // 1 tri = 9 floats
				g_TwMgr->m_Graph->DrawTriangles((int)s_ArrowTri[j].size()/9, triProj, colLight, cull);
		}
	}
	else
	{
		/*
		int px0 = QuatPX(0, w, h)-1, py0 = QuatPY(0, w, h), r0 = (int)(0.5f*QuatD(w, h)-0.5f);
		color32 col0 = 0x80000000;
		DrawArc(px0-1, py0, r0, 0, 360, col0);
		DrawArc(px0+1, py0, r0, 0, 360, col0);
		DrawArc(px0, py0-1, r0, 0, 360, col0);
		DrawArc(px0, py0+1, r0, 0, 360, col0);
		*/
		// draw arrows & sphere
		const float SPH_RADIUS = 0.75f;
		for(m=0; m<2; ++m)	// m=0: back, m=1: front
		{
			for(l=0; l<3; ++l)	// draw 3 arrows
			{
				kx = 1; ky = 0; kz = 0;
				if( l==1 )
					Vec3RotZ(&kx, &ky, &kz);
				else if( l==2 )
					Vec3RotY(&kx, &ky, &kz);
				ApplyQuat(&kx, &ky, &kz, kx, ky, kz, qx, qy, qz, qs);
				for(k=0; k<4; ++k) // 4 parts of the arrow
				{
					// draw order
					ext->Permute(&x, &y, &z, kx, ky, kz);
					j = (z>0) ? 3-k : k;

					bool cone = true;
					if( (m==0 && z>0) || (m==1 && z<=0) )
					{
						if( j==ARROW_CONE || j==ARROW_CONE_CAP ) // do not draw cone
							continue;
						else
							cone = false;
					}
					assert( s_ArrowTriProj[j].size()==2*(s_ArrowTri[j].size()/3) && s_ArrowColLight[j].size()==s_ArrowTri[j].size()/3 && s_ArrowNorm[j].size()==s_ArrowTri[j].size() );
					const int ntri = (int)s_ArrowTri[j].size()/3;
					const float *tri = &(s_ArrowTri[j][0]);
					const float *norm = &(s_ArrowNorm[j][0]);
					int *triProj = &(s_ArrowTriProj[j][0]);
					color32 *colLight = &(s_ArrowColLight[j][0]);
					for(i=0; i<ntri; ++i)
					{
						x = tri[3*i+0]; y = tri[3*i+1]; z = tri[3*i+2];
						if( cone && x<=0 )
							x = SPH_RADIUS;
						else if( !cone && x>0 )
							x = -SPH_RADIUS;
						nx = norm[3*i+0]; ny = norm[3*i+1]; nz = norm[3*i+2];
						if( l==1 )
						{
							Vec3RotZ(&x, &y, &z);
							Vec3RotZ(&nx, &ny, &nz);
						}
						else if( l==2 )
						{
							Vec3RotY(&x, &y, &z);
							Vec3RotY(&nx, &ny, &nz);
						}
						ApplyQuat(&x, &y, &z, x, y, z, qx, qy, qz, qs);
						ext->Permute(&x, &y, &z, x, y, z);
						ApplyQuat(&nx, &ny, &nz, nx, ny, nz, qx, qy, qz, qs);
						ext->Permute(&nx, &ny, &nz, nx, ny, nz);
						triProj[2*i+0] = QuatPX(x, w, h);
						triProj[2*i+1] = QuatPY(y, w, h);
						float fade = ( m==0 && z<0 ) ? TClamp(2.0f*z*z, 0.0f, 1.0f) : 0;
						float alphaFade = 1.0f;
						Color32ToARGBf(alpha, &alphaFade, NULL, NULL, NULL);
						alphaFade *= (1.0f-fade);
						color32 alphaFadeCol = Color32FromARGBf(alphaFade, 1, 1, 1);
						color32 col = (l==0) ? 0xffff0000 : ( (l==1) ? 0xff00ff00 : 0xff0000ff );
						colLight[i] = ColorBlend(0xff000000, col, fabsf(TClamp(nz, -1.0f, 1.0f))) & alphaFadeCol;
					}
					if( s_ArrowTri[j].size()>=9 ) // 1 tri = 9 floats
						g_TwMgr->m_Graph->DrawTriangles((int)s_ArrowTri[j].size()/9, triProj, colLight, cull);
				}
			}

			if( m==0 )
			{
				const float *tri = &(s_SphTri[0]);
				int *triProj = &(s_SphTriProj[0]);
				const color32 *col = &(s_SphCol[0]);
				color32 *colLight = &(s_SphColLight[0]);
				const int ntri = (int)s_SphTri.size()/3;
				for(i=0; i<ntri; ++i)	// draw sphere
				{
					x = SPH_RADIUS*tri[3*i+0]; y = SPH_RADIUS*tri[3*i+1]; z = SPH_RADIUS*tri[3*i+2];
					ApplyQuat(&x, &y, &z, x, y, z, qx, qy, qz, qs);
					ext->Permute(&x, &y, &z, x, y, z);
					triProj[2*i+0] = QuatPX(x, w, h);
					triProj[2*i+1] = QuatPY(y, w, h);
					colLight[i] = ColorBlend(0xff000000, col[i], fabsf(TClamp(z/SPH_RADIUS, -1.0f, 1.0f))) & alpha;
				}
				g_TwMgr->m_Graph->DrawTriangles((int)s_SphTri.size()/9, triProj, colLight, cull);
			}
		}

		// draw x
		g_TwMgr->m_Graph->DrawLine(w-12, h-36, w-12+5, h-36+5, 0xffc00000, true);
		g_TwMgr->m_Graph->DrawLine(w-12+5, h-36, w-12, h-36+5, 0xffc00000, true);
		// draw y
		g_TwMgr->m_Graph->DrawLine(w-12, h-25, w-12+3, h-25+4, 0xff00c000, true);
		g_TwMgr->m_Graph->DrawLine(w-12+5, h-25, w-12, h-25+7, 0xff00c000, true);
		// draw z
		g_TwMgr->m_Graph->DrawLine(w-12, h-12, w-12+5, h-12, 0xff0000c0, true);
		g_TwMgr->m_Graph->DrawLine(w-12, h-12+5, w-12+5, h-12+5, 0xff0000c0, true);
		g_TwMgr->m_Graph->DrawLine(w-12, h-12+5, w-12+5, h-12, 0xff0000c0, true);
	}

	// draw borders
	g_TwMgr->m_Graph->DrawLine(1, 0, w-1, 0, 0x40000000);
	g_TwMgr->m_Graph->DrawLine(w-1, 0, w-1, h-1, 0x40000000);
	g_TwMgr->m_Graph->DrawLine(w-1, h-1, 1, h-1, 0x40000000);
	g_TwMgr->m_Graph->DrawLine(1, h-1, 1, 0, 0x40000000);
}

bool CQuaternionExt::MouseMotionCB(int mouseX, int mouseY, int w, int h, void *structExtValue, void *clientData, TwBar *bar, CTwVarGroup *varGrp)
{
	CQuaternionExt *ext = static_cast<CQuaternionExt *>(structExtValue);
	if( ext==NULL )
		return false;
	(void)clientData, (void)varGrp;

	if( mouseX>0 && mouseX<w && mouseY>0 && mouseY<h )
		ext->m_Highlighted = true;

	if( ext->m_Rotating )
	{
		double x = QuatIX(mouseX, w, h);
		double y = QuatIY(mouseY, w, h);
		double z = 1;
		double px, py, pz, ox, oy, oz;
		ext->PermuteInv(&px, &py, &pz, x, y, z);
		ext->PermuteInv(&ox, &oy, &oz, ext->m_OrigX, ext->m_OrigY, 1);
		double n0 = sqrt(ox*ox + oy*oy + oz*oz);
		double n1 = sqrt(px*px + py*py + pz*pz);
		if( n0>DOUBLE_EPS && n1>DOUBLE_EPS )
		{
			double v0[] = { ox/n0, oy/n0, oz/n0 };
			double v1[] = { px/n1, py/n1, pz/n1 };
			double axis[3];
			Vec3Cross(axis, v0, v1);
			double sa = sqrt(Vec3Dot(axis, axis));
			double ca = Vec3Dot(v0, v1);
			double angle = atan2(sa, ca);
			if( x*x+y*y>1.0 )
				angle *= 1.0 + 0.2f*(sqrt(x*x+y*y)-1.0);
			double qrot[4], qres[4], qorig[4];
			QuatFromAxisAngle(qrot, axis, angle);
			double nqorig = sqrt(ext->m_OrigQuat[0]*ext->m_OrigQuat[0]+ext->m_OrigQuat[1]*ext->m_OrigQuat[1]+ext->m_OrigQuat[2]*ext->m_OrigQuat[2]+ext->m_OrigQuat[3]*ext->m_OrigQuat[3]);
			if( fabs(nqorig)>DOUBLE_EPS_SQ )
			{
				qorig[0] = ext->m_OrigQuat[0]/nqorig;
				qorig[1] = ext->m_OrigQuat[1]/nqorig;
				qorig[2] = ext->m_OrigQuat[2]/nqorig;
				qorig[3] = ext->m_OrigQuat[3]/nqorig;
				QuatMult(qres, qrot, qorig);
				ext->Qx = qres[0];
				ext->Qy = qres[1];
				ext->Qz = qres[2];
				ext->Qs = qres[3];
			}
			else
			{
				ext->Qx = qrot[0];
				ext->Qy = qrot[1];
				ext->Qz = qrot[2];
				ext->Qs = qrot[3];
			}
			ext->CopyToVar();
			if( bar!=NULL )
				static_cast<CTwBar*>(bar)->NotUpToDate();

			ext->m_PrevX = x;
			ext->m_PrevY = y;
		}
	}

	return true;
}

bool CQuaternionExt::MouseButtonCB(TwMouseButtonID button, bool pressed, int mouseX, int mouseY, int w, int h, void *structExtValue, void *clientData, TwBar *bar, CTwVarGroup *varGrp)
{
	CQuaternionExt *ext = static_cast<CQuaternionExt *>(structExtValue);
	if( ext==NULL )
		return false;
	(void)clientData; (void)bar, (void)varGrp;

	if( button==TW_MOUSE_LEFT )
	{
		if( pressed )
		{
			ext->m_OrigQuat[0] = ext->Qx;
			ext->m_OrigQuat[1] = ext->Qy;
			ext->m_OrigQuat[2] = ext->Qz;
			ext->m_OrigQuat[3] = ext->Qs;
			ext->m_OrigX = QuatIX(mouseX, w, h);
			ext->m_OrigY = QuatIY(mouseY, w, h);
			ext->m_PrevX = ext->m_OrigX;
			ext->m_PrevY = ext->m_OrigY;
			ext->m_Rotating = true;
		}
		else
			ext->m_Rotating = false;
	}

	//printf("Click %x\n", structExtValue);
	return true;
}

void CQuaternionExt::MouseLeaveCB(void *structExtValue, void *clientData, TwBar *bar)
{
	CQuaternionExt *ext = static_cast<CQuaternionExt *>(structExtValue);
	if( ext==NULL )
		return;
	(void)clientData; (void)bar;

	//printf("Leave %x\n", structExtValue);
	ext->m_Highlighted = false;
	ext->m_Rotating = false;
}


//	---------------------------------------------------------------------------
//	Convertion between VC++ Debug/Release std::string
//	(Needed because VC++ adds some extra info to std::string in Debug mode!)
//	And resolve binary std::string incompatibility between VS2010 and other VS versions
//	---------------------------------------------------------------------------

#ifdef _MSC_VER
// VS2010 store the string allocator pointer at the end
// VS2008 VS2012 and others store the string allocator pointer at the beginning
static void FixVS2010StdStringLibToClient(void *strPtr)
{
	char *ptr = (char *)strPtr;
	const size_t SizeOfUndecoratedString = 16 + 2*sizeof(size_t) + sizeof(void *); // size of a VS std::string without extra debug iterator and info.
	assert(SizeOfUndecoratedString <= sizeof(std::string));
	TwType LibStdStringBaseType = (TwType)(TW_TYPE_STDSTRING&0xffff0000);
	void **allocAddress2008 = (void **)(ptr + sizeof(std::string) - SizeOfUndecoratedString);
	void **allocAddress2010 = (void **)(ptr + sizeof(std::string) - sizeof(void *));
	if (LibStdStringBaseType == TW_TYPE_STDSTRING_VS2008 && g_TwMgr->m_ClientStdStringBaseType == TW_TYPE_STDSTRING_VS2010)
	{
		void *allocator = *allocAddress2008;
		memmove(allocAddress2008, allocAddress2008 + 1, SizeOfUndecoratedString - sizeof(void *));
		*allocAddress2010 = allocator;
	}
	else if (LibStdStringBaseType == TW_TYPE_STDSTRING_VS2010 && g_TwMgr->m_ClientStdStringBaseType == TW_TYPE_STDSTRING_VS2008)
	{
		void *allocator = *allocAddress2010;
		memmove(allocAddress2008 + 1, allocAddress2008, SizeOfUndecoratedString - sizeof(void *));
		*allocAddress2008 = allocator;
	}
}

static void FixVS2010StdStringClientToLib(void *strPtr)
{
	char *ptr = (char *)strPtr;
	const size_t SizeOfUndecoratedString = 16 + 2*sizeof(size_t) + sizeof(void *); // size of a VS std::string without extra debug iterator and info.
	assert(SizeOfUndecoratedString <= sizeof(std::string));
	TwType LibStdStringBaseType = (TwType)(TW_TYPE_STDSTRING&0xffff0000);
	void **allocAddress2008 = (void **)(ptr + sizeof(std::string) - SizeOfUndecoratedString);
	void **allocAddress2010 = (void **)(ptr + sizeof(std::string) - sizeof(void *));
	if (LibStdStringBaseType == TW_TYPE_STDSTRING_VS2008 && g_TwMgr->m_ClientStdStringBaseType == TW_TYPE_STDSTRING_VS2010)
	{
		void *allocator = *allocAddress2010;
		memmove(allocAddress2008 + 1, allocAddress2008, SizeOfUndecoratedString - sizeof(void *));
		*allocAddress2008 = allocator;
	}
	else if (LibStdStringBaseType == TW_TYPE_STDSTRING_VS2010 && g_TwMgr->m_ClientStdStringBaseType == TW_TYPE_STDSTRING_VS2008)
	{
		void *allocator = *allocAddress2008;
		memmove(allocAddress2008, allocAddress2008 + 1, SizeOfUndecoratedString - sizeof(void *));
		*allocAddress2010 = allocator;
	}
}
#endif // _MSC_VER

CTwMgr::CClientStdString::CClientStdString()
{
	memset(m_Data, 0, sizeof(m_Data));
}

void CTwMgr::CClientStdString::FromLib(const char *libStr)
{
	m_LibStr = libStr; // it is ok to have a local copy here
	memcpy(m_Data + sizeof(void *), &m_LibStr, sizeof(std::string));
#ifdef _MSC_VER
	FixVS2010StdStringLibToClient(m_Data + sizeof(void *));
#endif
}

std::string& CTwMgr::CClientStdString::ToClient()
{
	assert( g_TwMgr!=NULL );
	if( g_TwMgr->m_ClientStdStringStructSize==sizeof(std::string)+sizeof(void *) )
		return *(std::string *)(m_Data);
	else if( g_TwMgr->m_ClientStdStringStructSize+sizeof(void *)==sizeof(std::string) )
		return *(std::string *)(m_Data + 2*sizeof(void *));
	else
	{
		assert( g_TwMgr->m_ClientStdStringStructSize==sizeof(std::string) );
		return *(std::string *)(m_Data + sizeof(void *));
	}
}


CTwMgr::CLibStdString::CLibStdString()
{
	memset(m_Data, 0, sizeof(m_Data));
}

void CTwMgr::CLibStdString::FromClient(const std::string& clientStr)
{
	assert( g_TwMgr!=NULL );
	memcpy(m_Data + sizeof(void *), &clientStr, g_TwMgr->m_ClientStdStringStructSize);
#ifdef _MSC_VER
	FixVS2010StdStringClientToLib(m_Data + sizeof(void *));
#endif
}

std::string& CTwMgr::CLibStdString::ToLib()
{
	assert( g_TwMgr!=NULL );
	if( g_TwMgr->m_ClientStdStringStructSize==sizeof(std::string)+sizeof(void *) )
		return *(std::string *)(m_Data + 2*sizeof(void *));
	else if( g_TwMgr->m_ClientStdStringStructSize+sizeof(void *)==sizeof(std::string) )
		return *(std::string *)(m_Data);
	else
	{
		assert( g_TwMgr->m_ClientStdStringStructSize==sizeof(std::string) );
		return *(std::string *)(m_Data + sizeof(void *));
	}
}


//	---------------------------------------------------------------------------
//	Management functions
//	---------------------------------------------------------------------------


static inline int TwFreeAsyncDrawing()
{
	if( g_TwMgr && g_TwMgr->m_Graph && g_TwMgr->m_Graph->IsDrawing() )
	{
		const double SLEEP_MAX = 0.25; // wait at most 1/4 second
		PerfTimer timer;
		while( g_TwMgr->m_Graph->IsDrawing() && timer.GetTime()<SLEEP_MAX )
		{
			#if defined(ANT_WINDOWS)
				Sleep(1); // milliseconds
			#elif defined(ANT_UNIX) || defined(ANT_OSX)
				usleep(1000); // microseconds
			#endif
		}
		if( g_TwMgr->m_Graph->IsDrawing() )
		{
			g_TwMgr->SetLastError(g_ErrIsDrawing);
			return 0;
		}
	}
	return 1;
}

//	---------------------------------------------------------------------------

/*
static inline int TwFreeAsyncProcessing()
{
	if( g_TwMgr && g_TwMgr->IsProcessing() )
	{
		const double SLEEP_MAX = 0.25; // wait at most 1/4 second
		PerfTimer timer;
		while( g_TwMgr->IsProcessing() && timer.GetTime()<SLEEP_MAX )
		{
			#if defined(ANT_WINDOWS)
				Sleep(1); // milliseconds
			#elif defined(ANT_UNIX)
				usleep(1000); // microseconds
			#endif
		}
		if( g_TwMgr->IsProcessing() )
		{
			g_TwMgr->SetLastError(g_ErrIsProcessing);
			return 0;
		}
	}
	return 1;
}

static inline int TwBeginProcessing()
{
	if( !TwFreeAsyncProcessing() )
		return 0;
	if( g_TwMgr )
		g_TwMgr->SetProcessing(true);
}

static inline int TwEndProcessing()
{
	if( g_TwMgr )
		g_TwMgr->SetProcessing(false);
}
*/

//	---------------------------------------------------------------------------

static int TwInitMgr()
{
	assert( g_TwMasterMgr!=NULL );
	assert( g_TwMgr!=NULL );

	g_TwMgr->m_CurrentFont = g_DefaultNormalFont;
	g_TwMgr->m_Graph = g_TwMasterMgr->m_Graph;

	g_TwMgr->m_KeyPressedTextObj = g_TwMgr->m_Graph->NewTextObj();
	g_TwMgr->m_InfoTextObj = g_TwMgr->m_Graph->NewTextObj();

	g_TwMgr->m_HelpBar = static_cast<CTwBar*>(TwNewBar("TW_HELP"));
	if( g_TwMgr->m_HelpBar )
	{
		g_TwMgr->m_HelpBar->m_Label = "~ Help & Shortcuts ~";
		g_TwMgr->m_HelpBar->m_PosX = 32;
		g_TwMgr->m_HelpBar->m_PosY = 32;
		g_TwMgr->m_HelpBar->m_Width = 400;
		g_TwMgr->m_HelpBar->m_Height = 200;
		g_TwMgr->m_HelpBar->m_ValuesWidth = 12*(g_TwMgr->m_HelpBar->m_Font->m_CharHeight/2);
		g_TwMgr->m_HelpBar->m_Color = 0xa05f5f5f; //0xd75f5f5f;
		g_TwMgr->m_HelpBar->m_DarkText = false;
		g_TwMgr->m_HelpBar->m_IsHelpBar = true;
		g_TwMgr->Minimize(g_TwMgr->m_HelpBar);
	}
	else
		return 0;

	CColorExt::CreateTypes();
	CQuaternionExt::CreateTypes();

	return 1;
}

} using namespace AntTweakBar; extern "C" {

int ANT_CALL TwInit(ETwGraphAPI _GraphAPI, void *_Device)
{
#if defined(_DEBUG) && defined(ANT_WINDOWS)
	_CrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF|_CrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF));
#endif

	if( g_TwMasterMgr!=NULL )
	{
		g_TwMasterMgr->SetLastError(g_ErrInit);
		return 0;
	}
	assert( g_TwMgr==0 );
	assert( g_Wnds.empty() );

	g_TwMasterMgr = new CTwMgr(_GraphAPI, _Device, TW_MASTER_WINDOW_ID);
	g_Wnds[TW_MASTER_WINDOW_ID] = g_TwMasterMgr;
	g_TwMgr = g_TwMasterMgr;

	bool isD3d = true;
	switch( _GraphAPI )
	{
		case TW_OPENGL:
		case TW_OPENGL_CORE:
			isD3d = false;
			break;
		default:
			isD3d = true;
			break;
	}

	TwGenerateDefaultFonts(g_FontScaling, isD3d);
	g_TwMasterMgr->m_CurrentFont = g_DefaultNormalFont;

	int Res = 0;
	ITwGraph* renderer = ITwGraph::CreateForAPI(_GraphAPI, _Device);

	if( renderer != NULL )
	{
		g_TwMasterMgr->m_Graph = renderer;
		Res = TwInitMgr();
	}

	if ( ! Res )
	{
		g_TwMasterMgr->SetLastError(ITwGraph::GetErrorState());
		TwTerminate();
	}
	return Res;
}

//	---------------------------------------------------------------------------

int ANT_CALL TwSetLastError(const char *_StaticErrorMessage)
{
	if( g_TwMasterMgr!=0 )
	{
		g_TwMasterMgr->SetLastError(_StaticErrorMessage);
		return 1;
	}
	else
		return 0;
}

//	---------------------------------------------------------------------------

int ANT_CALL TwTerminate()
{
	if( g_TwMgr==NULL )
	{
		//TwGlobalError(g_ErrShut); -> not an error
		return 0;  // already shutdown
	}

	// For multi-thread safety
	if( !TwFreeAsyncDrawing() )
		return 0;

	CTwWndMap::iterator it;
	for( it=g_Wnds.begin(); it!=g_Wnds.end(); it++ )
	{
		g_TwMgr = it->second;

		g_TwMgr->m_Terminating = true;
		TwDeleteAllBars();
		if( g_TwMgr->m_CursorsCreated )
			g_TwMgr->FreeCursors();

		if( g_TwMgr->m_Graph )
		{
			if( g_TwMgr->m_KeyPressedTextObj )
			{
				g_TwMgr->m_Graph->DeleteTextObj(g_TwMgr->m_KeyPressedTextObj);
				g_TwMgr->m_KeyPressedTextObj = NULL;
			}
			if( g_TwMgr->m_InfoTextObj )
			{
				g_TwMgr->m_Graph->DeleteTextObj(g_TwMgr->m_InfoTextObj);
				g_TwMgr->m_InfoTextObj = NULL;
			}
			if (g_TwMgr != g_TwMasterMgr)
				g_TwMgr->m_Graph = NULL;
		}

		if (g_TwMgr != g_TwMasterMgr)
		{
			delete g_TwMgr;
			g_TwMgr = NULL;
		}
	}

	// delete g_TwMasterMgr
	int Res = 1;
	g_TwMgr = g_TwMasterMgr;
	if( g_TwMasterMgr->m_Graph )
	{
		Res = ITwGraph::Delete(g_TwMasterMgr->m_Graph) ? 1 : 0;
		g_TwMasterMgr->m_Graph = NULL;
	}
	TwDeleteDefaultFonts();
	delete g_TwMasterMgr;
	g_TwMasterMgr = NULL;
	g_TwMgr = NULL;
	g_Wnds.clear();

	return Res;
}

//	---------------------------------------------------------------------------

int ANT_CALL TwGetCurrentWindow()
{
	if( g_TwMgr==NULL )
	{
		TwGlobalError(g_ErrNotInit);
		return 0; // not initialized
	}

	return g_TwMgr->m_WndID;
}

int ANT_CALL TwSetCurrentWindow(int wndID)
{
	if( g_TwMgr==NULL )
	{
		TwGlobalError(g_ErrNotInit);
		return 0; // not initialized
	}

	if (wndID != g_TwMgr->m_WndID)
	{
		CTwWndMap::iterator foundWnd = g_Wnds.find(wndID);
		if (foundWnd == g_Wnds.end())
		{
			// create a new CTwMgr
			g_TwMgr = new CTwMgr(g_TwMasterMgr->m_GraphAPI, g_TwMasterMgr->m_Device, wndID);
			g_Wnds[wndID] = g_TwMgr;
			return TwInitMgr();
		}
		else
		{
			g_TwMgr = foundWnd->second;
			return 1;
		}
	}
	else
		return 1;
}

int ANT_CALL TwWindowExists(int wndID)
{
	CTwWndMap::iterator foundWnd = g_Wnds.find(wndID);
	if (foundWnd == g_Wnds.end())
		return 0;
	else
		return 1;
}

//	---------------------------------------------------------------------------

int ANT_CALL TwDraw()
{
	using AntTweakBar::CTwBar;

	PERF( PerfTimer Timer; double DT; )
	//CTwFPU fpu;	// fpu precision only forced in update (do not modif dx draw calls)

	if( g_TwMgr==NULL || g_TwMgr->m_Graph==NULL )
	{
		TwGlobalError(g_ErrNotInit);
		return 0; // not initialized
	}

	assert(g_TwMgr->m_Bars.size()==g_TwMgr->m_Order.size());

	// For multi-thread savety
	if( !TwFreeAsyncDrawing() )
		return 0;

	// Create cursors
	#if defined(ANT_WINDOWS) || defined(ANT_OSX)
		if( !g_TwMgr->m_CursorsCreated )
			g_TwMgr->CreateCursors();
	#elif defined(ANT_UNIX)
		if( !g_TwMgr->m_CurrentXDisplay )
			g_TwMgr->m_CurrentXDisplay = glXGetCurrentDisplay();
		if( !g_TwMgr->m_CurrentXWindow )
			g_TwMgr->m_CurrentXWindow = glXGetCurrentDrawable();
		if( g_TwMgr->m_CurrentXDisplay && !g_TwMgr->m_CursorsCreated )
			g_TwMgr->CreateCursors();
	#endif

	// Autorepeat TW_MOUSE_PRESSED
	double CurrTime = g_TwMgr->m_Timer.GetTime();
	double RepeatDT = CurrTime - g_TwMgr->m_LastMousePressedTime;
	double DrawDT = CurrTime - g_TwMgr->m_LastDrawTime;
	if(    RepeatDT>2.0*g_TwMgr->m_RepeatMousePressedDelay
		|| DrawDT>2.0*g_TwMgr->m_RepeatMousePressedDelay
		|| abs(g_TwMgr->m_LastMousePressedPosition[0]-g_TwMgr->m_LastMouseX)>4
		|| abs(g_TwMgr->m_LastMousePressedPosition[1]-g_TwMgr->m_LastMouseY)>4 )
	{
		g_TwMgr->m_CanRepeatMousePressed = false;
		g_TwMgr->m_IsRepeatingMousePressed = false;
	}
	if( g_TwMgr->m_CanRepeatMousePressed )
	{
		if(    (!g_TwMgr->m_IsRepeatingMousePressed && RepeatDT>g_TwMgr->m_RepeatMousePressedDelay)
			|| (g_TwMgr->m_IsRepeatingMousePressed && RepeatDT>g_TwMgr->m_RepeatMousePressedPeriod) )
		{
			g_TwMgr->m_IsRepeatingMousePressed = true;
			g_TwMgr->m_LastMousePressedTime = g_TwMgr->m_Timer.GetTime();
			TwMouseMotion(g_TwMgr->m_LastMouseX,g_TwMgr->m_LastMouseY);
			TwMouseButton(TW_MOUSE_PRESSED, g_TwMgr->m_LastMousePressedButtonID);
		}
	}
	g_TwMgr->m_LastDrawTime = CurrTime;

	if( g_TwMgr->m_WndWidth<0 || g_TwMgr->m_WndHeight<0 )
	{
		g_TwMgr->SetLastError(g_ErrBadSize);
		return 0;
	}
	else if( g_TwMgr->m_WndWidth==0 || g_TwMgr->m_WndHeight==0 )	// probably iconified
		return 1;	// nothing to do

	// count number of bars to draw
	size_t i, j;
	int Nb = 0;
	for( i=0; i<g_TwMgr->m_Bars.size(); ++i )
		if( g_TwMgr->m_Bars[i]!=NULL && g_TwMgr->m_Bars[i]->m_Visible )
			++Nb;

	if( Nb>0 )
	{
		PERF( Timer.Reset(); )
		g_TwMgr->m_Graph->BeginDraw(g_TwMgr->m_WndWidth, g_TwMgr->m_WndHeight);
		PERF( DT = Timer.GetTime(); printf("\nBegin=%.4fms ", 1000.0*DT); )

		PERF( Timer.Reset(); )
		vector<CRect> TopBarsRects, ClippedBarRects;
		for( i=0; i<g_TwMgr->m_Bars.size(); ++i )
		{
			CTwBar *Bar = g_TwMgr->m_Bars[ g_TwMgr->m_Order[i] ];
			if( Bar->m_Visible )
			{
				if( g_TwMgr->m_OverlapContent || Bar->IsMinimized() )
					Bar->Draw();
				else
				{
					// Clip overlapped transparent bars to make them more readable
					const int Margin = 4;
					CRect BarRect(Bar->m_PosX - Margin, Bar->m_PosY - Margin, Bar->m_Width + 2*Margin, Bar->m_Height + 2*Margin);
					TopBarsRects.clear();
					for( j=i+1; j<g_TwMgr->m_Bars.size(); ++j )
					{
						CTwBar *TopBar = g_TwMgr->m_Bars[g_TwMgr->m_Order[j]];
						if( TopBar->m_Visible && !TopBar->IsMinimized() )
							TopBarsRects.push_back(CRect(TopBar->m_PosX, TopBar->m_PosY, TopBar->m_Width, TopBar->m_Height));
					}
					ClippedBarRects.clear();
					BarRect.Subtract(TopBarsRects, ClippedBarRects);

					if( ClippedBarRects.size()==1 && ClippedBarRects[0]==BarRect )
						//g_TwMgr->m_Graph->DrawRect(Bar->m_PosX, Bar->m_PosY, Bar->m_PosX+Bar->m_Width-1, Bar->m_PosY+Bar->m_Height-1, 0x70ffffff); // Clipping test
						Bar->Draw(); // unclipped
					else
					{
						Bar->Draw(CTwBar::DRAW_BG); // draw background only

						// draw content for each clipped rectangle
						for( j=0; j<ClippedBarRects.size(); j++ )
							if (ClippedBarRects[j].W>1 && ClippedBarRects[j].H>1)
							{
								g_TwMgr->m_Graph->SetScissor(ClippedBarRects[j].X+1, ClippedBarRects[j].Y, ClippedBarRects[j].W, ClippedBarRects[j].H-1);
								//g_TwMgr->m_Graph->DrawRect(0, 0, 1000, 1000, 0x70ffffff); // Clipping test
								Bar->Draw(CTwBar::DRAW_CONTENT);
							}
						g_TwMgr->m_Graph->SetScissor(0, 0, 0, 0);
					}
				}
			}
		}
		PERF( DT = Timer.GetTime(); printf("Draw=%.4fms ", 1000.0*DT); )

		PERF( Timer.Reset(); )
		g_TwMgr->m_Graph->EndDraw();
		PERF( DT = Timer.GetTime(); printf("End=%.4fms\n", 1000.0*DT); )
	}

	return 1;
}

//	---------------------------------------------------------------------------

int ANT_CALL TwWindowSize(int _Width, int _Height)
{
	g_InitWndWidth = _Width;
	g_InitWndHeight = _Height;

	if( g_TwMgr==NULL || g_TwMgr->m_Graph==NULL )
	{
		//TwGlobalError(g_ErrNotInit);	-> not an error here
		return 0;  // not initialized
	}

	if( _Width<0 || _Height<0 )
	{
		g_TwMgr->SetLastError(g_ErrBadSize);
		return 0;
	}

	// For multi-thread savety
	if( !TwFreeAsyncDrawing() )
		return 0;

	// Delete the extra text objects
	if( g_TwMgr->m_KeyPressedTextObj )
	{
		g_TwMgr->m_Graph->DeleteTextObj(g_TwMgr->m_KeyPressedTextObj);
		g_TwMgr->m_KeyPressedTextObj = NULL;
	}
	if( g_TwMgr->m_InfoTextObj )
	{
		g_TwMgr->m_Graph->DeleteTextObj(g_TwMgr->m_InfoTextObj);
		g_TwMgr->m_InfoTextObj = NULL;
	}

	g_TwMgr->m_WndWidth = _Width;
	g_TwMgr->m_WndHeight = _Height;
	g_TwMgr->m_Graph->Restore();

	// Recreate extra text objects
	if( g_TwMgr->m_WndWidth!=0 && g_TwMgr->m_WndHeight!=0 )
	{
		if( g_TwMgr->m_KeyPressedTextObj==NULL )
		{
			g_TwMgr->m_KeyPressedTextObj = g_TwMgr->m_Graph->NewTextObj();
			g_TwMgr->m_KeyPressedBuildText = true;
		}
		if( g_TwMgr->m_InfoTextObj==NULL )
		{
			g_TwMgr->m_InfoTextObj = g_TwMgr->m_Graph->NewTextObj();
			g_TwMgr->m_InfoBuildText = true;
		}
	}

	for( std::vector<AntTweakBar::CTwBar*>::iterator it=g_TwMgr->m_Bars.begin(); it!=g_TwMgr->m_Bars.end(); ++it )
		(*it)->NotUpToDate();

	return 1;
}

} // extern "C"

//	---------------------------------------------------------------------------

namespace AntTweakBar {

CTwMgr::CTwMgr(ETwGraphAPI _GraphAPI, void *_Device, int _WndID)
{
	m_GraphAPI = _GraphAPI;
	m_Device = _Device;
	m_WndID = _WndID;
	m_LastError = NULL;
	m_CurrentDbgFile = "";
	m_CurrentDbgLine = 0;
	//m_Processing = false;
	m_Graph = NULL;
	m_WndWidth = g_InitWndWidth;
	m_WndHeight = g_InitWndHeight;
	m_CurrentFont = NULL;	// set after by TwIntialize
	m_NbMinimizedBars = 0;
	m_HelpBar = NULL;
	m_HelpBarNotUpToDate = true;
	m_HelpBarUpdateNow = false;
	m_LastHelpUpdateTime = 0;
	m_LastMouseX = -1;
	m_LastMouseY = -1;
	m_LastMouseWheelPos = 0;
	m_IconPos = 0;
	m_IconAlign = 0;
	m_IconMarginX = m_IconMarginY = 8;
	m_FontResizable = true;
	m_KeyPressedTextObj = NULL;
	m_KeyPressedBuildText = false;
	m_KeyPressedTime = 0;
	m_InfoTextObj = NULL;
	m_InfoBuildText = true;
	m_BarInitColorHue = 155;
	m_PopupBar = NULL;
	m_TypeColor32 = TW_TYPE_UNDEF;
	m_TypeColor3F = TW_TYPE_UNDEF;
	m_TypeColor4F = TW_TYPE_UNDEF;
	m_LastMousePressedTime = 0;
	m_LastMousePressedButtonID = TW_MOUSE_MIDDLE;
	m_LastMousePressedPosition[0] = -1000;
	m_LastMousePressedPosition[1] = -1000;
	m_RepeatMousePressedDelay = 0.5;
	m_RepeatMousePressedPeriod = 0.1;
	m_CanRepeatMousePressed = false;
	m_IsRepeatingMousePressed = false;
	m_LastDrawTime = 0;
	m_UseOldColorScheme = false;
	m_Contained = false;
	m_ButtonAlign = BUTTON_ALIGN_RIGHT;
	m_OverlapContent = false;
	m_Terminating = false;

	m_CursorsCreated = false;
	#if defined(ANT_UNIX)
		m_CurrentXDisplay = NULL;
		m_CurrentXWindow = 0;
	#endif	// defined(ANT_UNIX)

	m_CopyCDStringToClient = g_InitCopyCDStringToClient;
	m_CopyStdStringToClient = g_InitCopyStdStringToClient;
	m_ClientStdStringStructSize = 0;
	m_ClientStdStringBaseType = (TwType)0;
}

//	---------------------------------------------------------------------------

CTwMgr::~CTwMgr()
{
}

//	---------------------------------------------------------------------------

int CTwMgr::FindBar(const char *_Name) const
{
	if( _Name==NULL || strlen(_Name)<=0 )
		return -1;
	int i;
	for( i=0; i<(int)m_Bars.size(); ++i )
		if( m_Bars[i]!=NULL && strcmp(_Name, m_Bars[i]->m_Name.c_str())==0 )
			return i;
	return -1;
}


//	---------------------------------------------------------------------------

int CTwMgr::HasAttrib(const char *_Attrib, bool *_HasValue) const
{
	*_HasValue = true;
	if( _stricmp(_Attrib, "help")==0 )
		return MGR_HELP;
	else if( _stricmp(_Attrib, "fontsize")==0 )
		return MGR_FONT_SIZE;
	else if( _stricmp(_Attrib, "fontstyle")==0 )
		return MGR_FONT_STYLE;
	else if( _stricmp(_Attrib, "iconpos")==0 )
		return MGR_ICON_POS;
	else if( _stricmp(_Attrib, "iconalign")==0 )
		return MGR_ICON_ALIGN;
	else if( _stricmp(_Attrib, "iconmargin")==0 )
		return MGR_ICON_MARGIN;
	else if( _stricmp(_Attrib, "fontresizable")==0 )
		return MGR_FONT_RESIZABLE;
	else if( _stricmp(_Attrib, "colorscheme")==0 )
		return MGR_COLOR_SCHEME;
	else if( _stricmp(_Attrib, "contained")==0 )
		return MGR_CONTAINED;
	else if( _stricmp(_Attrib, "buttonalign")==0 )
		return MGR_BUTTON_ALIGN;
	else if( _stricmp(_Attrib, "overlap")==0 )
		return MGR_OVERLAP;

	*_HasValue = false;
	return 0; // not found
}

int CTwMgr::SetAttrib(int _AttribID, const char *_Value)
{
	switch( _AttribID )
	{
	case MGR_HELP:
		if( _Value && strlen(_Value)>0 )
		{
			m_Help = _Value;
			m_HelpBarNotUpToDate = true;
			return 1;
		}
		else
		{
			SetLastError(g_ErrNoValue);
			return 0;
		}
	case MGR_FONT_SIZE:
		if( _Value && strlen(_Value)>0 )
		{
			int s;
			int n = sscanf(_Value, "%d", &s);
			if( n==1 && s>=1 && s<=3 )
			{
				if( s==1 )
					SetFont(g_DefaultSmallFont, true);
				else if( s==2 )
					SetFont(g_DefaultNormalFont, true);
				else if( s==3 )
					SetFont(g_DefaultLargeFont, true);
				return 1;
			}
			else
			{
				SetLastError(g_ErrBadValue);
				return 0;
			}
		}
		else
		{
			SetLastError(g_ErrNoValue);
			return 0;
		}
	case MGR_FONT_STYLE:
		if( _Value && strlen(_Value)>0 )
		{
			if( _stricmp(_Value, "fixedru")==0 )
			{
				if( m_CurrentFont!=g_DefaultFixedRuFont )
				{
					SetFont(g_DefaultFixedRuFont, true);
					m_FontResizable = false; // for now fixed font is not resizable
				}
				return 1;
			}
			else if( _stricmp(_Value, "fixed")==0 )
			{
				if( m_CurrentFont!=g_DefaultFixed1Font )
				{
					SetFont(g_DefaultFixed1Font, true);
					m_FontResizable = false; // for now fixed font is not resizable
				}
				return 1;
			}
			else if( _stricmp(_Value, "default")==0 )
			{
				if( m_CurrentFont!=g_DefaultSmallFont && m_CurrentFont!=g_DefaultNormalFont && m_CurrentFont!=g_DefaultLargeFont )
				{
					if( m_CurrentFont == g_DefaultFixed1Font )
						m_FontResizable = true;
					SetFont(g_DefaultNormalFont, true);
				}
				return 1;
			}
			else
			{
				SetLastError(g_ErrBadValue);
				return 0;
			}
		}
		else
		{
			SetLastError(g_ErrNoValue);
			return 0;
		}
	case MGR_ICON_POS:
		if( _Value && strlen(_Value)>0 )
		{
			if( _stricmp(_Value, "bl")==0 || _stricmp(_Value, "lb")==0 || _stricmp(_Value, "bottomleft")==0 || _stricmp(_Value, "leftbottom")==0 )
			{
				m_IconPos = 0;
				return 1;
			}
			else if( _stricmp(_Value, "br")==0 || _stricmp(_Value, "rb")==0 || _stricmp(_Value, "bottomright")==0 || _stricmp(_Value, "rightbottom")==0 )
			{
				m_IconPos = 1;
				return 1;
			}
			else if( _stricmp(_Value, "tl")==0 || _stricmp(_Value, "lt")==0 || _stricmp(_Value, "topleft")==0 || _stricmp(_Value, "lefttop")==0 )
			{
				m_IconPos = 2;
				return 1;
			}
			else if( _stricmp(_Value, "tr")==0 || _stricmp(_Value, "rt")==0 || _stricmp(_Value, "topright")==0 || _stricmp(_Value, "righttop")==0 )
			{
				m_IconPos = 3;
				return 1;
			}
			else
			{
				SetLastError(g_ErrBadValue);
				return 0;
			}
		}
		else
		{
			SetLastError(g_ErrNoValue);
			return 0;
		}
	case MGR_ICON_ALIGN:
		if( _Value && strlen(_Value)>0 )
		{
			if( _stricmp(_Value, "vert")==0 || _stricmp(_Value, "vertical")==0	)
			{
				m_IconAlign = 0;
				return 1;
			}
			else if( _stricmp(_Value, "horiz")==0 || _stricmp(_Value, "horizontal")==0	)
			{
				m_IconAlign = 1;
				return 1;
			}
			else
			{
				SetLastError(g_ErrBadValue);
				return 0;
			}
		}
		else
		{
			SetLastError(g_ErrNoValue);
			return 0;
		}
	case MGR_ICON_MARGIN:
		if( _Value && strlen(_Value)>0 )
		{
			int x, y;
			int n = sscanf(_Value, "%d%d", &x, &y);
			if( n==2 && x>=0 && y>=0 )
			{
				m_IconMarginX = x;
				m_IconMarginY = y;
				return 1;
			}
			else
			{
				SetLastError(g_ErrBadValue);
				return 0;
			}
		}
		else
		{
			SetLastError(g_ErrNoValue);
			return 0;
		}
	case MGR_FONT_RESIZABLE:
		if( _Value && strlen(_Value)>0 )
		{
			if( _stricmp(_Value, "1")==0 || _stricmp(_Value, "true")==0 )
			{
				m_FontResizable = true;
				return 1;
			}
			else if( _stricmp(_Value, "0")==0 || _stricmp(_Value, "false")==0 )
			{
				m_FontResizable = false;
				return 1;
			}
			else
			{
				g_TwMgr->SetLastError(g_ErrBadValue);
				return 0;
			}
		}
		else
		{
			g_TwMgr->SetLastError(g_ErrNoValue);
			return 0;
		}
	case MGR_COLOR_SCHEME:
		if( _Value && strlen(_Value)>0 )
		{
			int s;
			int n = sscanf(_Value, "%d", &s);
			if( n==1 && s>=0 && s<=1 )
			{
				if( s==0 )
					m_UseOldColorScheme = true;
				else
					m_UseOldColorScheme = false;
				return 1;
			}
			else
			{
				SetLastError(g_ErrBadValue);
				return 0;
			}
		}
		else
		{
			g_TwMgr->SetLastError(g_ErrNoValue);
			return 0;
		}
	case MGR_CONTAINED:
		if( _Value && strlen(_Value)>0 )
		{
			if( _stricmp(_Value, "1")==0 || _stricmp(_Value, "true")==0 )
				m_Contained = true;
			else if( _stricmp(_Value, "0")==0 || _stricmp(_Value, "false")==0 )
				m_Contained = false;
			else
			{
				g_TwMgr->SetLastError(g_ErrBadValue);
				return 0;
			}
			vector<AntTweakBar::CTwBar*>::iterator barIt;
			for( barIt=g_TwMgr->m_Bars.begin(); barIt!=g_TwMgr->m_Bars.end(); ++barIt )
				if( (*barIt)!=NULL )
					(*barIt)->m_Contained = m_Contained;
			return 1;
		}
		else
		{
			g_TwMgr->SetLastError(g_ErrNoValue);
			return 0;
		}
	case MGR_BUTTON_ALIGN:
		if( _Value && strlen(_Value)>0 )
		{
			if( _stricmp(_Value, "left")==0 )
				m_ButtonAlign = BUTTON_ALIGN_LEFT;
			else if( _stricmp(_Value, "center")==0 )
				m_ButtonAlign = BUTTON_ALIGN_CENTER;
			else if( _stricmp(_Value, "right")==0 )
				m_ButtonAlign = BUTTON_ALIGN_RIGHT;
			else
			{
				g_TwMgr->SetLastError(g_ErrBadValue);
				return 0;
			}
			vector<AntTweakBar::CTwBar*>::iterator barIt;
			for( barIt=g_TwMgr->m_Bars.begin(); barIt!=g_TwMgr->m_Bars.end(); ++barIt )
				if( (*barIt)!=NULL )
					(*barIt)->m_ButtonAlign = m_ButtonAlign;
			return 1;
		}
		else
		{
			g_TwMgr->SetLastError(g_ErrNoValue);
			return 0;
		}
	case MGR_OVERLAP:
		if( _Value && strlen(_Value)>0 )
		{
			if( _stricmp(_Value, "1")==0 || _stricmp(_Value, "true")==0 )
			{
				m_OverlapContent = true;
				return 1;
			}
			else if( _stricmp(_Value, "0")==0 || _stricmp(_Value, "false")==0 )
			{
				m_OverlapContent = false;
				return 1;
			}
			else
			{
				g_TwMgr->SetLastError(g_ErrBadValue);
				return 0;
			}
		}
		else
		{
			g_TwMgr->SetLastError(g_ErrNoValue);
			return 0;
		}
	default:
		g_TwMgr->SetLastError(g_ErrUnknownAttrib);
		return 0;
	}
}

ERetType CTwMgr::GetAttrib(int _AttribID, std::vector<double>& outDoubles, std::ostringstream& outString) const
{
	outDoubles.clear();
	outString.clear();

	switch( _AttribID )
	{
	case MGR_HELP:
		outString << m_Help;
		return RET_STRING;
	case MGR_FONT_SIZE:
		if( m_CurrentFont==g_DefaultSmallFont )
			outDoubles.push_back(1);
		else if( m_CurrentFont==g_DefaultNormalFont )
			outDoubles.push_back(2);
		else if( m_CurrentFont==g_DefaultLargeFont )
			outDoubles.push_back(3);
		else
			outDoubles.push_back(0); // should not happened
		return RET_DOUBLE;
	case MGR_FONT_STYLE:
		if( m_CurrentFont==g_DefaultFixed1Font )
			outString << "fixed";
		else
			outString << "default";
		return RET_STRING;
	case MGR_ICON_POS:
		if( m_IconPos==0 )
			outString << "bottomleft";
		else if( m_IconPos==1 )
			outString << "bottomright";
		else if( m_IconPos==2 )
			outString << "topleft";
		else if( m_IconPos==3 )
			outString << "topright";
		else
			outString << "undefined"; // should not happened
		return RET_STRING;
	case MGR_ICON_ALIGN:
		if( m_IconAlign==0 )
			outString << "vertical";
		else if( m_IconAlign==1 )
			outString << "horizontal";
		else
			outString << "undefined"; // should not happened
		return RET_STRING;
	case MGR_ICON_MARGIN:
		outDoubles.push_back(m_IconMarginX);
		outDoubles.push_back(m_IconMarginY);
		return RET_DOUBLE;
	case MGR_FONT_RESIZABLE:
		outDoubles.push_back(m_FontResizable);
		return RET_DOUBLE;
	case MGR_COLOR_SCHEME:
		outDoubles.push_back(m_UseOldColorScheme ? 0 : 1);
		return RET_DOUBLE;
	case MGR_CONTAINED:
		{
			bool contained = m_Contained;
			/*
			if( contained )
			{
				vector<TwBar*>::iterator barIt;
				for( barIt=g_TwMgr->m_Bars.begin(); barIt!=g_TwMgr->m_Bars.end(); ++barIt )
					if( (*barIt)!=NULL && !(*barIt)->m_Contained )
					{
						contained = false;
						break;
					}
			}
			*/
			outDoubles.push_back(contained);
			return RET_DOUBLE;
		}
	case MGR_BUTTON_ALIGN:
		if( m_ButtonAlign==BUTTON_ALIGN_LEFT )
			outString << "left";
		else if( m_ButtonAlign==BUTTON_ALIGN_CENTER )
			outString << "center";
		else
			outString << "right";
		return RET_STRING;
	case MGR_OVERLAP:
		outDoubles.push_back(m_OverlapContent);
		return RET_DOUBLE;
	default:
		g_TwMgr->SetLastError(g_ErrUnknownAttrib);
		return RET_ERROR;
	}
}

//	---------------------------------------------------------------------------

void CTwMgr::Minimize(CTwBar *_Bar)
{
	assert(m_Graph!=NULL && _Bar!=NULL);
	assert(m_Bars.size()==m_MinOccupied.size());
	if( _Bar->m_IsMinimized )
		return;
	if( _Bar->m_Visible )
	{
		size_t i = m_NbMinimizedBars;
		m_NbMinimizedBars++;
		for( i=0; i<m_MinOccupied.size(); ++i )
			if( !m_MinOccupied[i] )
				break;
		if( i<m_MinOccupied.size() )
			m_MinOccupied[i] = true;
		_Bar->m_MinNumber = (int)i;
	}
	else
		_Bar->m_MinNumber = -1;
	_Bar->m_IsMinimized = true;
	_Bar->NotUpToDate();
}

//	---------------------------------------------------------------------------

void CTwMgr::Maximize(CTwBar *_Bar)
{
	assert(m_Graph!=NULL && _Bar!=NULL);
	assert(m_Bars.size()==m_MinOccupied.size());
	if( !_Bar->m_IsMinimized )
		return;
	if( _Bar->m_Visible )
	{
		--m_NbMinimizedBars;
		if( m_NbMinimizedBars<0 )
			m_NbMinimizedBars = 0;
		if( _Bar->m_MinNumber>=0 && _Bar->m_MinNumber<(int)m_MinOccupied.size() )
			m_MinOccupied[_Bar->m_MinNumber] = false;
	}
	_Bar->m_IsMinimized = false;
	_Bar->NotUpToDate();
	if( _Bar->m_IsHelpBar )
		m_HelpBarNotUpToDate = true;
}

//	---------------------------------------------------------------------------

void CTwMgr::Hide(CTwBar *_Bar)
{
	assert(m_Graph!=NULL && _Bar!=NULL);
	if( !_Bar->m_Visible )
		return;
	if( _Bar->IsMinimized() )
	{
		Maximize(_Bar);
		_Bar->m_Visible = false;
		Minimize(_Bar);
	}
	else
		_Bar->m_Visible = false;
	if( !_Bar->m_IsHelpBar )
		m_HelpBarNotUpToDate = true;
}

//	---------------------------------------------------------------------------

void CTwMgr::Unhide(CTwBar *_Bar)
{
	assert(m_Graph!=NULL && _Bar!=NULL);
	if( _Bar->m_Visible )
		return;
	if( _Bar->IsMinimized() )
	{
		Maximize(_Bar);
		_Bar->m_Visible = true;
		Minimize(_Bar);
	}
	else
		_Bar->m_Visible = true;
	_Bar->NotUpToDate();
	if( !_Bar->m_IsHelpBar )
		m_HelpBarNotUpToDate = true;
}

//	---------------------------------------------------------------------------

void CTwMgr::SetFont(const CTexFont *_Font, bool _ResizeBars)
{
	assert(m_Graph!=NULL);
	assert(_Font!=NULL);

	m_CurrentFont = _Font;

	for( int i=0; i<(int)m_Bars.size(); ++i )
		if( m_Bars[i]!=NULL )
		{
			int fh = m_Bars[i]->m_Font->m_CharHeight;
			m_Bars[i]->m_Font = _Font;
			if( _ResizeBars )
			{
				if( m_Bars[i]->m_Movable )
				{
					m_Bars[i]->m_PosX += (3*(fh-_Font->m_CharHeight))/2;
					m_Bars[i]->m_PosY += (fh-_Font->m_CharHeight)/2;
				}
				if( m_Bars[i]->m_Resizable )
				{
					m_Bars[i]->m_Width = (m_Bars[i]->m_Width*_Font->m_CharHeight)/fh;
					m_Bars[i]->m_Height = (m_Bars[i]->m_Height*_Font->m_CharHeight)/fh;
					m_Bars[i]->m_ValuesWidth = (m_Bars[i]->m_ValuesWidth*_Font->m_CharHeight)/fh;
				}
			}
			m_Bars[i]->NotUpToDate();
		}

	if( g_TwMgr->m_HelpBar!=NULL )
		g_TwMgr->m_HelpBar->Update();
	g_TwMgr->m_InfoBuildText = true;
	g_TwMgr->m_KeyPressedBuildText = true;
	m_HelpBarNotUpToDate = true;
}

//	---------------------------------------------------------------------------

void ANT_CALL TwGlobalError(const char *_ErrorMessage)	// to be called when g_TwMasterMgr is not created
{
	if( g_ErrorHandler==NULL )
	{
		fprintf(stderr, "ERROR(AntTweakBar) >> %s\n", _ErrorMessage);
	#ifdef ANT_WINDOWS
		OutputDebugString("ERROR(AntTweakBar) >> ");
		OutputDebugString(_ErrorMessage);
		OutputDebugString("\n");
	#endif // ANT_WINDOWS
	}
	else
		g_ErrorHandler(_ErrorMessage);
}

//	---------------------------------------------------------------------------

void CTwMgr::SetLastError(const char *_ErrorMessage)	// _ErrorMessage must be a static string
{
	if (this != g_TwMasterMgr)
	{
		// route to master
		g_TwMasterMgr->SetLastError(_ErrorMessage);
		return;
	}

	m_LastError = _ErrorMessage;

	if( g_ErrorHandler==NULL )
	{
		if( m_CurrentDbgFile!=NULL && strlen(m_CurrentDbgFile)>0 && m_CurrentDbgLine>0 )
			fprintf(stderr, "%s(%d): ", m_CurrentDbgFile, m_CurrentDbgLine);
		fprintf(stderr, "ERROR(AntTweakBar) >> %s\n", m_LastError);
	#ifdef ANT_WINDOWS
		if( m_CurrentDbgFile!=NULL && strlen(m_CurrentDbgFile)>0 && m_CurrentDbgLine>0 )
		{
			OutputDebugString(m_CurrentDbgFile);
			char sl[32];
			sprintf(sl, "(%d): ", m_CurrentDbgLine);
			OutputDebugString(sl);
		}
		OutputDebugString("ERROR(AntTweakBar) >> ");
		OutputDebugString(m_LastError);
		OutputDebugString("\n");
	#endif // ANT_WINDOWS
	}
	else
		g_ErrorHandler(_ErrorMessage);
}

//	---------------------------------------------------------------------------

const char *CTwMgr::GetLastError()
{
	if (this != g_TwMasterMgr)
	{
		// route to master
		return g_TwMasterMgr->GetLastError();
	}

	const char *Err = m_LastError;
	m_LastError = NULL;
	return Err;
}

//	---------------------------------------------------------------------------

const char *CTwMgr::CheckLastError() const
{
	return m_LastError;
}

//	---------------------------------------------------------------------------

void CTwMgr::SetCurrentDbgParams(const char *dbgFile, int dbgLine)
{
	m_CurrentDbgFile = dbgFile;
	m_CurrentDbgLine = dbgLine;
}

} using namespace AntTweakBar;

//	---------------------------------------------------------------------------

int ANT_CALL __TwDbg(const char *dbgFile, int dbgLine)
{
	if( g_TwMgr!=NULL )
		g_TwMgr->SetCurrentDbgParams(dbgFile, dbgLine);
	return 0;	// always returns zero
}

//	---------------------------------------------------------------------------

extern "C" {

void ANT_CALL TwHandleErrors(TwErrorHandler _ErrorHandler)
{
	g_ErrorHandler = _ErrorHandler;
}

//	---------------------------------------------------------------------------

const char *ANT_CALL TwGetLastError()
{
	if( g_TwMasterMgr==NULL )
	{
		TwGlobalError(g_ErrNotInit);
		return g_ErrNotInit;
	}
	else
		return g_TwMasterMgr->GetLastError();
}

//	---------------------------------------------------------------------------

TwBar *ANT_CALL TwNewBar(const char *_Name)
{
	if( g_TwMgr==NULL || g_TwMgr->m_Graph==NULL )
	{
		TwGlobalError(g_ErrNotInit);
		return NULL; // not initialized
	}

	TwFreeAsyncDrawing(); // For multi-thread savety

	if( _Name==NULL || strlen(_Name)<=0 )
	{
		g_TwMgr->SetLastError(g_ErrBadParam);
		return NULL;
	}
	if( g_TwMgr->FindBar(_Name)>=0 )
	{
		g_TwMgr->SetLastError(g_ErrExist);
		return NULL;
	}

	if( strstr(_Name, "`")!=NULL )
	{
		g_TwMgr->SetLastError(g_ErrNoBackQuote);
		return NULL;
	}

	if( g_TwMgr->m_PopupBar!=NULL ) // delete popup bar if it exists
	{
		TwDeleteBar(g_TwMgr->m_PopupBar);
		g_TwMgr->m_PopupBar = NULL;
	}

	AntTweakBar::CTwBar *Bar = new AntTweakBar::CTwBar(_Name);
	g_TwMgr->m_Bars.push_back(Bar);
	g_TwMgr->m_Order.push_back((int)g_TwMgr->m_Bars.size()-1);
	g_TwMgr->m_MinOccupied.push_back(false);
	g_TwMgr->m_HelpBarNotUpToDate = true;

	return Bar;
}

//	---------------------------------------------------------------------------

int ANT_CALL TwDeleteBar(TwBar *_Bar)
{
	using AntTweakBar::CTwBar;

	if( g_TwMgr==NULL )
	{
		TwGlobalError(g_ErrNotInit);
		return 0; // not initialized
	}
	if( _Bar==NULL )
	{
		g_TwMgr->SetLastError(g_ErrBadParam);
		return 0;
	}
	if( _Bar==g_TwMgr->m_HelpBar )
	{
		g_TwMgr->SetLastError(g_ErrDelHelp);
		return 0;
	}

	TwFreeAsyncDrawing(); // For multi-thread savety

	vector<CTwBar*>::iterator BarIt;
	int i = 0;
	for( BarIt=g_TwMgr->m_Bars.begin(); BarIt!=g_TwMgr->m_Bars.end(); ++BarIt, ++i )
		if( (*BarIt)==_Bar )
			break;
	if( BarIt==g_TwMgr->m_Bars.end() )
	{
		g_TwMgr->SetLastError(g_ErrNotFound);
		return 0;
	}

	if( g_TwMgr->m_PopupBar!=NULL && _Bar!=g_TwMgr->m_PopupBar )	// delete popup bar first if it exists
	{
		TwDeleteBar(g_TwMgr->m_PopupBar);
		g_TwMgr->m_PopupBar = NULL;
	}

	// force bar to un-minimize
	g_TwMgr->Maximize(static_cast<CTwBar*>(_Bar));
	// find an empty MinOccupied
	vector<bool>::iterator itm;
	int j = 0;
	for( itm=g_TwMgr->m_MinOccupied.begin(); itm!=g_TwMgr->m_MinOccupied.end(); ++itm, ++j)
		if( (*itm)==false )
			break;
	assert( itm!=g_TwMgr->m_MinOccupied.end() );
	// shift MinNumbers and erase the empty MinOccupied
	for( size_t k=0; k<g_TwMgr->m_Bars.size(); ++k )
		if( g_TwMgr->m_Bars[k]!=NULL && g_TwMgr->m_Bars[k]->m_MinNumber>j )
			g_TwMgr->m_Bars[k]->m_MinNumber -= 1;
	g_TwMgr->m_MinOccupied.erase(itm);
	// erase _Bar order
	vector<int>::iterator BarOrderIt = g_TwMgr->m_Order.end();
	for(vector<int>::iterator it=g_TwMgr->m_Order.begin(); it!=g_TwMgr->m_Order.end(); ++it )
		if( (*it)==i )
			BarOrderIt = it;
		else if( (*it)>i )
			(*it) -= 1;
	assert( BarOrderIt!=g_TwMgr->m_Order.end() );
	g_TwMgr->m_Order.erase(BarOrderIt);

	// erase & delete _Bar
	g_TwMgr->m_Bars.erase(BarIt);
	delete _Bar;

	g_TwMgr->m_HelpBarNotUpToDate = true;
	return 1;
}

//	---------------------------------------------------------------------------

int ANT_CALL TwDeleteAllBars()
{
	if( g_TwMgr==NULL )
	{
		TwGlobalError(g_ErrNotInit);
		return 0; // not initialized
	}

	TwFreeAsyncDrawing(); // For multi-thread savety

	int n = 0;
	if( g_TwMgr->m_Terminating || g_TwMgr->m_HelpBar==NULL )
	{
		for( size_t i=0; i<g_TwMgr->m_Bars.size(); ++i )
			if( g_TwMgr->m_Bars[i]!=NULL )
			{
				++n;
				delete g_TwMgr->m_Bars[i];
				g_TwMgr->m_Bars[i] = NULL;
			}
		g_TwMgr->m_Bars.clear();
		g_TwMgr->m_Order.clear();
		g_TwMgr->m_MinOccupied.clear();
		g_TwMgr->m_HelpBarNotUpToDate = true;
	}
	else
	{
		vector<AntTweakBar::CTwBar *> bars = g_TwMgr->m_Bars;
		for( size_t i = 0; i < bars.size(); ++i )
			if( bars[i]!=0 && bars[i]!=g_TwMgr->m_HelpBar)
			{
				++n;
				TwDeleteBar(bars[i]);
			}
		g_TwMgr->m_HelpBarNotUpToDate = true;
	}

	if( n==0 )
	{
		//g_TwMgr->SetLastError(g_ErrNthToDo);
		return 0;
	}
	else
		return 1;
}

//	---------------------------------------------------------------------------

int ANT_CALL TwSetTopBar(const TwBar *_Bar)
{
	if( g_TwMgr==NULL )
	{
		TwGlobalError(g_ErrNotInit);
		return 0; // not initialized
	}
	if( _Bar==NULL )
	{
		g_TwMgr->SetLastError(g_ErrBadParam);
		return 0;
	}

	TwFreeAsyncDrawing(); // For multi-thread savety

	if( _Bar!=g_TwMgr->m_PopupBar && g_TwMgr->m_BarAlwaysOnBottom.length()>0 )
	{
		if( strcmp(static_cast<const AntTweakBar::CTwBar*>(_Bar)->m_Name.c_str(), g_TwMgr->m_BarAlwaysOnBottom.c_str())==0 )
			return TwSetBottomBar(_Bar);
	}

	int i = -1, iOrder;
	for( iOrder=0; iOrder<(int)g_TwMgr->m_Bars.size(); ++iOrder )
	{
		i = g_TwMgr->m_Order[iOrder];
		assert( i>=0 && i<(int)g_TwMgr->m_Bars.size() );
		if( g_TwMgr->m_Bars[i]==_Bar )
			break;
	}
	if( i<0 || iOrder>=(int)g_TwMgr->m_Bars.size() )	// bar not found
	{
		g_TwMgr->SetLastError(g_ErrNotFound);
		return 0;
	}

	for( int j=iOrder; j<(int)g_TwMgr->m_Bars.size()-1; ++j )
		g_TwMgr->m_Order[j] = g_TwMgr->m_Order[j+1];
	g_TwMgr->m_Order[(int)g_TwMgr->m_Bars.size()-1] = i;

	if( _Bar!=g_TwMgr->m_PopupBar && g_TwMgr->m_BarAlwaysOnTop.length()>0 )
	{
		int topIdx = g_TwMgr->FindBar(g_TwMgr->m_BarAlwaysOnTop.c_str());
		TwBar *top = (topIdx>=0 && topIdx<(int)g_TwMgr->m_Bars.size()) ? g_TwMgr->m_Bars[topIdx] : NULL;
		if( top!=NULL && top!=_Bar )
			TwSetTopBar(top);
	}

	if( g_TwMgr->m_PopupBar!=NULL && _Bar!=g_TwMgr->m_PopupBar )
		TwSetTopBar(g_TwMgr->m_PopupBar);

	return 1;
}

//	---------------------------------------------------------------------------

TwBar * ANT_CALL TwGetTopBar()
{
	if( g_TwMgr==NULL )
	{
		TwGlobalError(g_ErrNotInit);
		return NULL; // not initialized
	}

	if( g_TwMgr->m_Bars.size()>0 && g_TwMgr->m_PopupBar==NULL )
		return g_TwMgr->m_Bars[g_TwMgr->m_Order[ g_TwMgr->m_Bars.size()-1 ]];
	else if( g_TwMgr->m_Bars.size()>1 && g_TwMgr->m_PopupBar!=NULL )
		return g_TwMgr->m_Bars[g_TwMgr->m_Order[ g_TwMgr->m_Bars.size()-2 ]];
	else
		return NULL;
}

//	---------------------------------------------------------------------------

int ANT_CALL TwSetBottomBar(const TwBar *_Bar)
{
	if( g_TwMgr==NULL )
	{
		TwGlobalError(g_ErrNotInit);
		return 0; // not initialized
	}
	if( _Bar==NULL )
	{
		g_TwMgr->SetLastError(g_ErrBadParam);
		return 0;
	}

	TwFreeAsyncDrawing(); // For multi-thread savety

	if( _Bar!=g_TwMgr->m_PopupBar && g_TwMgr->m_BarAlwaysOnTop.length()>0 )
	{
		if( strcmp(static_cast<const AntTweakBar::CTwBar*>(_Bar)->m_Name.c_str(), g_TwMgr->m_BarAlwaysOnTop.c_str())==0 )
			return TwSetTopBar(_Bar);
	}

	int i = -1, iOrder;
	for( iOrder=0; iOrder<(int)g_TwMgr->m_Bars.size(); ++iOrder )
	{
		i = g_TwMgr->m_Order[iOrder];
		assert( i>=0 && i<(int)g_TwMgr->m_Bars.size() );
		if( g_TwMgr->m_Bars[i]==_Bar )
			break;
	}
	if( i<0 || iOrder>=(int)g_TwMgr->m_Bars.size() )	// bar not found
	{
		g_TwMgr->SetLastError(g_ErrNotFound);
		return 0;
	}

	if( iOrder>0 )
		for( int j=iOrder-1; j>=0; --j )
			g_TwMgr->m_Order[j+1] = g_TwMgr->m_Order[j];
	g_TwMgr->m_Order[0] = i;

	if( _Bar!=g_TwMgr->m_PopupBar && g_TwMgr->m_BarAlwaysOnBottom.length()>0 )
	{
		int btmIdx = g_TwMgr->FindBar(g_TwMgr->m_BarAlwaysOnBottom.c_str());
		TwBar *btm = (btmIdx>=0 && btmIdx<(int)g_TwMgr->m_Bars.size()) ? g_TwMgr->m_Bars[btmIdx] : NULL;
		if( btm!=NULL && btm!=_Bar )
			TwSetBottomBar(btm);
	}

	return 1;
}

//	---------------------------------------------------------------------------

TwBar* ANT_CALL TwGetBottomBar()
{
	if( g_TwMgr==NULL )
	{
		TwGlobalError(g_ErrNotInit);
		return NULL; // not initialized
	}

	if( g_TwMgr->m_Bars.size()>0 )
		return g_TwMgr->m_Bars[g_TwMgr->m_Order[0]];
	else
		return NULL;
}

} // extern "C"

//	---------------------------------------------------------------------------

namespace AntTweakBar {

int ANT_CALL TwSetBarState(TwBar *_Bar_, TwState _State)
{
	AntTweakBar::CTwBar* _Bar = static_cast<AntTweakBar::CTwBar*>(_Bar_);

	if( g_TwMgr==NULL )
	{
		TwGlobalError(g_ErrNotInit);
		return 0;  // not initialized
	}
	if( _Bar==NULL )
	{
		g_TwMgr->SetLastError(g_ErrBadParam);
		return 0;
	}

	TwFreeAsyncDrawing(); // For multi-thread savety

	switch( _State )
	{
	case TW_STATE_SHOWN:
		g_TwMgr->Unhide(_Bar);
		return 1;
	case TW_STATE_ICONIFIED:
		//g_TwMgr->Unhide(_Bar);
		g_TwMgr->Minimize(_Bar);
		return 1;
	case TW_STATE_HIDDEN:
		//g_TwMgr->Maximize(_Bar);
		g_TwMgr->Hide(_Bar);
		return 1;
	case TW_STATE_UNICONIFIED:
		//g_TwMgr->Unhide(_Bar);
		g_TwMgr->Maximize(_Bar);
		return 1;
	default:
		g_TwMgr->SetLastError(g_ErrBadParam);
		return 0;
	}
}

}

//	---------------------------------------------------------------------------

/*
TwState ANT_CALL TwGetBarState(const TwBar *_Bar)
{
	if( g_TwMgr==NULL )
	{
		TwGlobalError(g_ErrNotInit);
		return TW_STATE_ERROR;	// not initialized
	}
	if( _Bar==NULL )
	{
		g_TwMgr->SetLastError(g_ErrBadParam);
		return TW_STATE_ERROR;
	}

	if( !_Bar->m_Visible )
		return TW_STATE_HIDDEN;
	else if( _Bar->IsMinimized() )
		return TW_STATE_ICONIFIED;
	else
		return TW_STATE_SHOWN;
}
*/

//	---------------------------------------------------------------------------

const char * ANT_CALL TwGetBarName(const TwBar *_Bar)
{
	using AntTweakBar::CTwBar;

	if( g_TwMgr==NULL )
	{
		TwGlobalError(g_ErrNotInit);
		return NULL;  // not initialized
	}
	if( _Bar==NULL )
	{
		g_TwMgr->SetLastError(g_ErrBadParam);
		return NULL;
	}

	vector<CTwBar*>::iterator BarIt;
	int i = 0;
	for( BarIt=g_TwMgr->m_Bars.begin(); BarIt!=g_TwMgr->m_Bars.end(); ++BarIt, ++i )
		if( (*BarIt)==_Bar )
			break;
	if( BarIt==g_TwMgr->m_Bars.end() )
	{
		g_TwMgr->SetLastError(g_ErrNotFound);
		return NULL;
	}

	return static_cast<const CTwBar*>(_Bar)->m_Name.c_str();
}

//	---------------------------------------------------------------------------

int ANT_CALL TwGetBarCount()
{
	if( g_TwMgr==NULL )
	{
		TwGlobalError(g_ErrNotInit);
		return 0;  // not initialized
	}

	return (int)g_TwMgr->m_Bars.size();
}


//	---------------------------------------------------------------------------

TwBar * ANT_CALL TwGetBarByIndex(int index)
{
	if( g_TwMgr==NULL )
	{
		TwGlobalError(g_ErrNotInit);
		return NULL;  // not initialized
	}

	if( index>=0 && index<(int)g_TwMgr->m_Bars.size() )
		return g_TwMgr->m_Bars[index];
	else
	{
		g_TwMgr->SetLastError(g_ErrOutOfRange);
		return NULL;
	}
}

//	---------------------------------------------------------------------------

TwBar * ANT_CALL TwGetBarByName(const char *name)
{
	if( g_TwMgr==NULL )
	{
		TwGlobalError(g_ErrNotInit);
		return NULL; // not initialized
	}

	int idx = g_TwMgr->FindBar(name);
	if ( idx>=0 && idx<(int)g_TwMgr->m_Bars.size() )
		return g_TwMgr->m_Bars[idx];
	else
		return NULL;
}

//	---------------------------------------------------------------------------

int ANT_CALL TwRefreshBar(TwBar *bar)
{
	using AntTweakBar::CTwBar;

	if( g_TwMgr==NULL )
	{
		TwGlobalError(g_ErrNotInit);
		return 0;  // not initialized
	}

	if( bar==NULL )
	{
		vector<CTwBar*>::iterator BarIt;
		for( BarIt=g_TwMgr->m_Bars.begin(); BarIt!=g_TwMgr->m_Bars.end(); ++BarIt )
			if( *BarIt!=NULL )
				(*BarIt)->NotUpToDate();
	}
	else
	{
		vector<CTwBar*>::iterator BarIt;
		int i = 0;
		for( BarIt=g_TwMgr->m_Bars.begin(); BarIt!=g_TwMgr->m_Bars.end(); ++BarIt, ++i )
			if( (*BarIt)==bar )
				break;
		if( BarIt==g_TwMgr->m_Bars.end() )
		{
			g_TwMgr->SetLastError(g_ErrNotFound);
			return 0;
		}

		static_cast<CTwBar*>(bar)->NotUpToDate();
	}
	return 1;
}

//	---------------------------------------------------------------------------

TwBar * ANT_CALL TwGetActiveBar()
{
	if( g_TwMgr==NULL )
	{
		TwGlobalError(g_ErrNotInit);
		return NULL; // not initialized
	}

	vector<AntTweakBar::CTwBar*>::iterator BarIt;
	for( BarIt=g_TwMgr->m_Bars.begin(); BarIt!=g_TwMgr->m_Bars.end(); ++BarIt )
		if( *BarIt!=NULL && !(*BarIt)->IsMinimized() && !(*BarIt)->m_IsPopupList && (*BarIt)->GetFocus()==true )
			return *BarIt;

	return NULL;
}

//	---------------------------------------------------------------------------

namespace AntTweakBar {

int BarVarHasAttrib(CTwBar *_Bar, CTwVar *_Var, const char *_Attrib, bool *_HasValue);
int BarVarSetAttrib(CTwBar *_Bar, CTwVar *_Var, CTwVarGroup *_VarParent, int _VarIndex, int _AttribID, const char *_Value);
ERetType BarVarGetAttrib(CTwBar *_Bar, CTwVar *_Var, CTwVarGroup *_VarParent, int _VarIndex, int _AttribID, std::vector<double>& outDouble, std::ostringstream& outString);

} using namespace AntTweakBar;

int ANT_CALL TwGetParam(TwBar *bar_, const char *varName, const char *paramName, TwParamValueType paramValueType, unsigned int outValueMaxCount, void *outValues)
{
	using AntTweakBar::CTwBar;
	CTwBar* bar = static_cast<CTwBar*>(bar_);

	CTwFPU fpu; // force fpu precision

	if( g_TwMgr==NULL )
	{
		TwGlobalError(g_ErrNotInit);
		return 0; // not initialized
	}
	if( paramName==NULL || strlen(paramName)<=0 )
	{
		g_TwMgr->SetLastError(g_ErrBadParam);
		return 0;
	}
	if( outValueMaxCount<=0 || outValues==NULL )
	{
		g_TwMgr->SetLastError(g_ErrBadParam);
		return 0;
	}

	if( bar==NULL )
		bar = TW_GLOBAL_BAR;
	else
	{
		vector<CTwBar*>::iterator barIt;
		int i = 0;
		for( barIt=g_TwMgr->m_Bars.begin(); barIt!=g_TwMgr->m_Bars.end(); ++barIt, ++i )
			if( (*barIt)==bar )
				break;
		if( barIt==g_TwMgr->m_Bars.end() )
		{
			g_TwMgr->SetLastError(g_ErrNotFound);
			return 0;
		}
	}
	CTwVarGroup *varParent = NULL;
	int varIndex = -1;
	CTwVar *var = NULL;
	if( varName!=NULL && strlen(varName)>0 )
	{
		var = bar->Find(varName, &varParent, &varIndex);
		if( var==NULL )
		{
			_snprintf(g_ErrParse, sizeof(g_ErrParse), "Unknown var '%s/%s'",
					  (bar==TW_GLOBAL_BAR) ? "GLOBAL" : bar->m_Name.c_str(), varName);
			g_ErrParse[sizeof(g_ErrParse)-1] = '\0';
			g_TwMgr->SetLastError(g_ErrParse);
			return 0;
		}
	}

	bool hasValue = false;
	int paramID = BarVarHasAttrib(bar, var, paramName, &hasValue);
	if( paramID>0 )
	{
		std::ostringstream valStr;
		std::vector<double> valDbl;
		const char *PrevLastErrorPtr = g_TwMgr->CheckLastError();

		ERetType retType = BarVarGetAttrib(bar, var, varParent, varIndex, paramID, valDbl, valStr);
		unsigned int i, valDblCount = (unsigned int)valDbl.size();
		if( valDblCount > outValueMaxCount )
			valDblCount = outValueMaxCount;
		if( retType==RET_DOUBLE && valDblCount==0 )
		{
			g_TwMgr->SetLastError(g_ErrHasNoValue);
			retType = RET_ERROR;
		}

		if( retType==RET_DOUBLE )
		{
			switch( paramValueType )
			{
			case TW_PARAM_INT32:
				for( i=0; i<valDblCount; i++ )
					(static_cast<int *>(outValues))[i] = (int)valDbl[i];
				return valDblCount;
			case TW_PARAM_FLOAT:
				for( i=0; i<valDblCount; i++ )
					(static_cast<float *>(outValues))[i] = (float)valDbl[i];
				return valDblCount;
			case TW_PARAM_DOUBLE:
				for( i=0; i<valDblCount; i++ )
					(static_cast<double *>(outValues))[i] = valDbl[i];
				return valDblCount;
			case TW_PARAM_CSTRING:
				valStr.clear();
				for( i=0; i<(unsigned int)valDbl.size(); i++ ) // not valDblCount here
					valStr << ((i>0) ? " " : "") << valDbl[i];
				strncpy(static_cast<char *>(outValues), valStr.str().c_str(), outValueMaxCount);
				i = (unsigned int)valStr.str().size();
				if( i>outValueMaxCount-1 )
					i = outValueMaxCount-1;
				(static_cast<char *>(outValues))[i] = '\0';
				return 1; // always returns 1 for CSTRING
			default:
				g_TwMgr->SetLastError(g_ErrBadParam); // Unknown param value type
				retType = RET_ERROR;
			}
		}
		else if( retType==RET_STRING )
		{
			if( paramValueType == TW_PARAM_CSTRING )
			{
				strncpy(static_cast<char *>(outValues), valStr.str().c_str(), outValueMaxCount);
				i = (unsigned int)valStr.str().size();
				if( i>outValueMaxCount-1 )
					i = outValueMaxCount-1;
				(static_cast<char *>(outValues))[i] = '\0';
				return 1; // always returns 1 for CSTRING
			}
			else
			{
				g_TwMgr->SetLastError(g_ErrBadType); // string cannot be converted to int or double
				retType = RET_ERROR;
			}
		}

		if( retType==RET_ERROR )
		{
			bool errMsg = (g_TwMgr->CheckLastError()!=NULL && strlen(g_TwMgr->CheckLastError())>0 && PrevLastErrorPtr!=g_TwMgr->CheckLastError());
			_snprintf(g_ErrParse, sizeof(g_ErrParse), "Unable to get param '%s%s%s %s' %s%s",
					  (bar==TW_GLOBAL_BAR) ? "GLOBAL" : bar->m_Name.c_str(), (var!=NULL) ? "/" : "",
					  (var!=NULL) ? varName : "", paramName, errMsg ? " : " : "",
					  errMsg ? g_TwMgr->CheckLastError() : "");
			g_ErrParse[sizeof(g_ErrParse)-1] = '\0';
			g_TwMgr->SetLastError(g_ErrParse);
		}
		return retType;
	}
	else
	{
		_snprintf(g_ErrParse, sizeof(g_ErrParse), "Unknown param '%s%s%s %s'",
				  (bar==TW_GLOBAL_BAR) ? "GLOBAL" : bar->m_Name.c_str(),
				  (var!=NULL) ? "/" : "", (var!=NULL) ? varName : "", paramName);
		g_ErrParse[sizeof(g_ErrParse)-1] = '\0';
		g_TwMgr->SetLastError(g_ErrParse);
		return 0;
	}
}


int ANT_CALL TwSetParam(TwBar *bar_, const char *varName, const char *paramName, TwParamValueType paramValueType, unsigned int inValueCount, const void *inValues)
{
	using AntTweakBar::CTwBar;
	CTwBar* bar = static_cast<CTwBar*>(bar_);

	CTwFPU fpu; // force fpu precision

	if( g_TwMgr==NULL )
	{
		TwGlobalError(g_ErrNotInit);
		return 0; // not initialized
	}
	if( paramName==NULL || strlen(paramName)<=0 )
	{
		g_TwMgr->SetLastError(g_ErrBadParam);
		return 0;
	}
	if( inValueCount>0 && inValues==NULL )
	{
		g_TwMgr->SetLastError(g_ErrBadParam);
		return 0;
	}

	TwFreeAsyncDrawing(); // For multi-thread savety

	if( bar==NULL )
		bar = TW_GLOBAL_BAR;
	else
	{
		vector<CTwBar*>::iterator barIt;
		int i = 0;
		for( barIt=g_TwMgr->m_Bars.begin(); barIt!=g_TwMgr->m_Bars.end(); ++barIt, ++i )
			if( (*barIt)==bar )
				break;
		if( barIt==g_TwMgr->m_Bars.end() )
		{
			g_TwMgr->SetLastError(g_ErrNotFound);
			return 0;
		}
	}
	CTwVarGroup *varParent = NULL;
	int varIndex = -1;
	CTwVar *var = NULL;
	if( varName!=NULL && strlen(varName)>0 )
	{
		var = bar->Find(varName, &varParent, &varIndex);
		if( var==NULL )
		{
			_snprintf(g_ErrParse, sizeof(g_ErrParse), "Unknown var '%s/%s'",
					  (bar==TW_GLOBAL_BAR) ? "GLOBAL" : bar->m_Name.c_str(), varName);
			g_ErrParse[sizeof(g_ErrParse)-1] = '\0';
			g_TwMgr->SetLastError(g_ErrParse);
			return 0;
		}
	}

	bool hasValue = false;
	int paramID = BarVarHasAttrib(bar, var, paramName, &hasValue);
	if( paramID>0 )
	{
		int ret = 0;
		const char *PrevLastErrorPtr = g_TwMgr->CheckLastError();
		if( hasValue )
		{
			std::ostringstream valuesStr;
			unsigned int i;
			switch( paramValueType )
			{
			case TW_PARAM_INT32:
				for( i=0; i<inValueCount; i++ )
					valuesStr << (static_cast<const int *>(inValues))[i] << ((i<inValueCount-1) ? " " : "");
				break;
			case TW_PARAM_FLOAT:
				for( i=0; i<inValueCount; i++ )
					valuesStr << (static_cast<const float *>(inValues))[i] << ((i<inValueCount-1) ? " " : "");
				break;
			case TW_PARAM_DOUBLE:
				for( i=0; i<inValueCount; i++ )
					valuesStr << (static_cast<const double *>(inValues))[i] << ((i<inValueCount-1) ? " " : "");
				break;
			case TW_PARAM_CSTRING:
				/*
				for( i=0; i<inValueCount; i++ )
				{
					valuesStr << '`';
					const char *str = (static_cast<char * const *>(inValues))[i];
					for( const char *ch = str; *ch!=0; ch++ )
						if( *ch=='`' )
							valuesStr << "`'`'`";
						else
							valuesStr << *ch;
					valuesStr << "` ";
				}
				*/
				if( inValueCount!=1 )
				{
					g_TwMgr->SetLastError(g_ErrCStrParam); // count for CString param must be 1
					return 0;
				}
				else
					valuesStr << static_cast<const char *>(inValues);
				break;
			default:
				g_TwMgr->SetLastError(g_ErrBadParam); // Unknown param value type
				return 0;
			}
			ret = BarVarSetAttrib(bar, var, varParent, varIndex, paramID, valuesStr.str().c_str());
		}
		else
			ret = BarVarSetAttrib(bar, var, varParent, varIndex, paramID, NULL);
		if( ret==0 )
		{
			bool errMsg = (g_TwMgr->CheckLastError()!=NULL && strlen(g_TwMgr->CheckLastError())>0 && PrevLastErrorPtr!=g_TwMgr->CheckLastError());
			_snprintf(g_ErrParse, sizeof(g_ErrParse), "Unable to set param '%s%s%s %s' %s%s",
					  (bar==TW_GLOBAL_BAR) ? "GLOBAL" : bar->m_Name.c_str(), (var!=NULL) ? "/" : "",
					  (var!=NULL) ? varName : "", paramName, errMsg ? " : " : "",
					  errMsg ? g_TwMgr->CheckLastError() : "");
			g_ErrParse[sizeof(g_ErrParse)-1] = '\0';
			g_TwMgr->SetLastError(g_ErrParse);
		}
		return ret;
	}
	else
	{
		_snprintf(g_ErrParse, sizeof(g_ErrParse), "Unknown param '%s%s%s %s'",
				  (bar==TW_GLOBAL_BAR) ? "GLOBAL" : bar->m_Name.c_str(),
				  (var!=NULL) ? "/" : "", (var!=NULL) ? varName : "", paramName);
		g_ErrParse[sizeof(g_ErrParse)-1] = '\0';
		g_TwMgr->SetLastError(g_ErrParse);
		return 0;
	}
}

//	---------------------------------------------------------------------------

static int s_PassProxy = 0;
void *CTwMgr::CStruct::s_PassProxyAsClientData = &s_PassProxy;	// special tag

CTwMgr::CStructProxy::CStructProxy()
{
	memset(this, 0, sizeof(*this));
}

CTwMgr::CStructProxy::~CStructProxy()
{
	if( m_StructData!=NULL && m_DeleteStructData )
	{
		//if( m_StructExtData==NULL && g_TwMgr!=NULL && m_Type>=TW_TYPE_STRUCT_BASE && m_Type<TW_TYPE_STRUCT_BASE+(int)g_TwMgr->m_Structs.size() )
		//	g_TwMgr->UninitVarData(m_Type, m_StructData, g_TwMgr->m_Structs[m_Type-TW_TYPE_STRUCT_BASE].m_Size);
		delete[] (char*)m_StructData;
	}
	if( m_StructExtData!=NULL )
	{
		//if( g_TwMgr!=NULL && m_Type>=TW_TYPE_STRUCT_BASE && m_Type<TW_TYPE_STRUCT_BASE+(int)g_TwMgr->m_Structs.size() )
		//	g_TwMgr->UninitVarData(m_Type, m_StructExtData, g_TwMgr->m_Structs[m_Type-TW_TYPE_STRUCT_BASE].m_Size);
		delete[] (char*)m_StructExtData;
	}
	memset(this, 0, sizeof(*this));
}

/*
void CTwMgr::InitVarData(TwType _Type, void *_Data, size_t _Size)
{
	if( _Data!=NULL )
	{
		if( _Type>=TW_TYPE_STRUCT_BASE && _Type<TW_TYPE_STRUCT_BASE+(int)m_Structs.size() )
		{
			CTwMgr::CStruct& s = m_Structs[_Type-TW_TYPE_STRUCT_BASE];
			for( size_t i=0; i<s.m_Members.size(); ++i )
			{
				CTwMgr::CStructMember& sm = s.m_Members[i];
				assert( sm.m_Offset+sm.m_Size<=_Size );
				InitVarData(sm.m_Type, (char *)_Data + sm.m_Offset, sm.m_Size);
			}
		}
		else if( _Type==TW_TYPE_STDSTRING )
			::new(_Data) std::string;
		else
			memset(_Data, 0, _Size);
	}
}

void CTwMgr::UninitVarData(TwType _Type, void *_Data, size_t _Size)
{
	if( _Data!=NULL )
	{
		if( _Type>=TW_TYPE_STRUCT_BASE && _Type<TW_TYPE_STRUCT_BASE+(int)m_Structs.size() )
		{
			CTwMgr::CStruct& s = m_Structs[_Type-TW_TYPE_STRUCT_BASE];
			for( size_t i=0; i<s.m_Members.size(); ++i )
			{
				CTwMgr::CStructMember& sm = s.m_Members[i];
				assert( sm.m_Offset+sm.m_Size<=_Size );
				UninitVarData(sm.m_Type, (char *)_Data + sm.m_Offset, sm.m_Size);
			}
		}
		else if( _Type==TW_TYPE_STDSTRING )
		{
			std::string *Str = (std::string *)_Data;
			Str->~string();
			memset(_Data, 0, _Size);
		}
		else
			memset(_Data, 0, _Size);
	}
}
*/

void CTwMgr::UnrollCDStdString(std::vector<CCDStdStringRecord>& _Records, TwType _Type, void *_Data)
{
	if( _Data!=NULL )
	{
		if( _Type>=TW_TYPE_STRUCT_BASE && _Type<TW_TYPE_STRUCT_BASE+(int)m_Structs.size() )
		{
			CTwMgr::CStruct& s = m_Structs[_Type-TW_TYPE_STRUCT_BASE];
			if( !s.m_IsExt )
				for( size_t i=0; i<s.m_Members.size(); ++i )
				{
					CTwMgr::CStructMember& sm = s.m_Members[i];
					UnrollCDStdString(_Records, sm.m_Type, (char *)_Data + sm.m_Offset);
				}
			else
			{
				// nothing:
				// Ext struct cannot have var of type TW_TYPE_CDSTDSTRING (converted from TW_TYPE_STDSTRING)
			}
		}
		else if( _Type==TW_TYPE_STDSTRING || _Type==TW_TYPE_CDSTDSTRING )
		{
			_Records.push_back(CCDStdStringRecord());
			CCDStdStringRecord& Rec = _Records.back();
			Rec.m_DataPtr = _Data;
			memcpy(Rec.m_PrevValue, _Data, m_ClientStdStringStructSize);
			const char *Str = *(const char **)_Data;
			if( Str!=NULL )
				// Rec.m_StdString = Str;
				Rec.m_ClientStdString.FromLib(Str);
			memcpy(Rec.m_DataPtr, &(Rec.m_ClientStdString.ToClient()), sizeof(std::string));
		}
	}
}

void CTwMgr::RestoreCDStdString(const std::vector<CCDStdStringRecord>& _Records)
{
	for( size_t i=0; i<_Records.size(); ++i )
		memcpy(_Records[i].m_DataPtr, _Records[i].m_PrevValue, m_ClientStdStringStructSize);
}

CTwMgr::CMemberProxy::CMemberProxy()
{
	memset(this, 0, sizeof(*this));
}

CTwMgr::CMemberProxy::~CMemberProxy()
{
	memset(this, 0, sizeof(*this));
}

void ANT_CALL CTwMgr::CMemberProxy::SetCB(const void *_Value, void *_ClientData)
{
	if( _ClientData && _Value )
	{
		const CMemberProxy *mProxy = static_cast<const CMemberProxy *>(_ClientData);
		if( g_TwMgr && mProxy )
		{
			const CStructProxy *sProxy = mProxy->m_StructProxy;
			if( sProxy && sProxy->m_StructData && sProxy->m_Type>=TW_TYPE_STRUCT_BASE && sProxy->m_Type<TW_TYPE_STRUCT_BASE+(int)g_TwMgr->m_Structs.size() )
			{
				CTwMgr::CStruct& s = g_TwMgr->m_Structs[sProxy->m_Type-TW_TYPE_STRUCT_BASE];
				if( mProxy->m_MemberIndex>=0 && mProxy->m_MemberIndex<(int)s.m_Members.size() )
				{
					CTwMgr::CStructMember& m = s.m_Members[mProxy->m_MemberIndex];
					if( m.m_Size>0 && m.m_Type!=TW_TYPE_BUTTON )
					{
						if( s.m_IsExt )
						{
							memcpy((char *)sProxy->m_StructExtData + m.m_Offset, _Value, m.m_Size);
							if( s.m_CopyVarFromExtCallback && sProxy->m_StructExtData )
								s.m_CopyVarFromExtCallback(sProxy->m_StructData, sProxy->m_StructExtData, mProxy->m_MemberIndex, (s.m_ExtClientData==s.s_PassProxyAsClientData) ? _ClientData : s.m_ExtClientData);
						}
						else
							memcpy((char *)sProxy->m_StructData + m.m_Offset, _Value, m.m_Size);
						if( sProxy->m_StructSetCallback )
						{
							g_TwMgr->m_CDStdStringRecords.resize(0);
							g_TwMgr->UnrollCDStdString(g_TwMgr->m_CDStdStringRecords, sProxy->m_Type, sProxy->m_StructData);
							sProxy->m_StructSetCallback(sProxy->m_StructData, sProxy->m_StructClientData);
							g_TwMgr->RestoreCDStdString(g_TwMgr->m_CDStdStringRecords);
						}
					}
				}
			}
		}
	}
}

void ANT_CALL CTwMgr::CMemberProxy::GetCB(void *_Value, void *_ClientData)
{
	if( _ClientData && _Value )
	{
		const CMemberProxy *mProxy = static_cast<const CMemberProxy *>(_ClientData);
		if( g_TwMgr && mProxy )
		{
			const CStructProxy *sProxy = mProxy->m_StructProxy;
			if( sProxy && sProxy->m_StructData && sProxy->m_Type>=TW_TYPE_STRUCT_BASE && sProxy->m_Type<TW_TYPE_STRUCT_BASE+(int)g_TwMgr->m_Structs.size() )
			{
				CTwMgr::CStruct& s = g_TwMgr->m_Structs[sProxy->m_Type-TW_TYPE_STRUCT_BASE];
				if( mProxy->m_MemberIndex>=0 && mProxy->m_MemberIndex<(int)s.m_Members.size() )
				{
					CTwMgr::CStructMember& m = s.m_Members[mProxy->m_MemberIndex];
					if( m.m_Size>0 && m.m_Type!=TW_TYPE_BUTTON )
					{
						if( sProxy->m_StructGetCallback )
							sProxy->m_StructGetCallback(sProxy->m_StructData, sProxy->m_StructClientData);
						if( s.m_IsExt )
						{
							if( s.m_CopyVarToExtCallback && sProxy->m_StructExtData )
								s.m_CopyVarToExtCallback(sProxy->m_StructData, sProxy->m_StructExtData, mProxy->m_MemberIndex,	(s.m_ExtClientData==s.s_PassProxyAsClientData) ? _ClientData : s.m_ExtClientData);
							memcpy(_Value, (char *)sProxy->m_StructExtData + m.m_Offset, m.m_Size);
						}
						else
							memcpy(_Value, (char *)sProxy->m_StructData + m.m_Offset, m.m_Size);
					}
				}
			}
		}
	}
}

//	---------------------------------------------------------------------------

void ANT_CALL CTwMgr::CCDStdString::SetCB(const void *_Value, void *_ClientData)
{
	if( _Value==NULL || _ClientData==NULL || g_TwMgr==NULL )
		return;
	CTwMgr::CCDStdString *CDStdString = (CTwMgr::CCDStdString *)_ClientData;
	const char *SrcStr = *(const char **)_Value;
	if( SrcStr==NULL )
	{
		static char s_EmptyString[] = "";
		SrcStr = s_EmptyString;
	}
	if( CDStdString->m_ClientSetCallback==NULL )
	{
		if( g_TwMgr->m_CopyStdStringToClient && CDStdString->m_ClientStdStringPtr!=NULL )
		{
			CTwMgr::CClientStdString clientSrcStr; // convert VC++ Release/Debug std::string
			clientSrcStr.FromLib(SrcStr);
			g_TwMgr->m_CopyStdStringToClient(*(CDStdString->m_ClientStdStringPtr), clientSrcStr.ToClient());
		}
	}
	else
	{
		if( CDStdString->m_ClientSetCallback==CMemberProxy::SetCB )
			CDStdString->m_ClientSetCallback(&SrcStr, CDStdString->m_ClientData);
		else
		{
			CTwMgr::CClientStdString clientSrcStr; // convert VC++ Release/Debug std::string
			clientSrcStr.FromLib(SrcStr);
			std::string& ValStr = clientSrcStr.ToClient();
			CDStdString->m_ClientSetCallback(&ValStr, CDStdString->m_ClientData);
		}
	}
}

void ANT_CALL CTwMgr::CCDStdString::GetCB(void *_Value, void *_ClientData)
{
	if( _Value==NULL || _ClientData==NULL || g_TwMgr==NULL )
		return;
	CTwMgr::CCDStdString *CDStdString = (CTwMgr::CCDStdString *)_ClientData;
	char **DstStrPtr = (char **)_Value;
	if( CDStdString->m_ClientGetCallback==NULL )
	{
		if( CDStdString->m_ClientStdStringPtr!=NULL )
		{
			//*DstStrPtr = const_cast<char *>(CDStdString->m_ClientStdStringPtr->c_str());
			static CTwMgr::CLibStdString s_LibStr; // static because it will be used as a returned value
			s_LibStr.FromClient(*CDStdString->m_ClientStdStringPtr);
			*DstStrPtr = const_cast<char *>(s_LibStr.ToLib().c_str());
		}
		else
		{
			static char s_EmptyString[] = "";
			*DstStrPtr = s_EmptyString;
		}
	}
	else
	{
		// m_ClientGetCallback uses TwCopyStdStringToLibrary to copy string
		// and TwCopyStdStringToLibrary does the VC++ Debug/Release std::string conversion.
		CDStdString->m_ClientGetCallback(&(CDStdString->m_LocalString[0]), CDStdString->m_ClientData);
		//*DstStrPtr = const_cast<char *>(CDStdString->m_LocalString.c_str());
		char **StrPtr = (char **)&(CDStdString->m_LocalString[0]);
		*DstStrPtr = *StrPtr;
	}
}

//	---------------------------------------------------------------------------

static int s_SeparatorTag = 0;

//	---------------------------------------------------------------------------

static int AddVar(TwBar *_Bar_, const char *_Name, ETwType _Type, void *_VarPtr, bool _ReadOnly, TwSetVarCallback _SetCallback, TwGetVarCallback _GetCallback, TwButtonCallback _ButtonCallback, void *_ClientData, const char *_Def)
{
	CTwFPU fpu; // force fpu precision
	AntTweakBar::CTwBar* _Bar = static_cast<AntTweakBar::CTwBar*>(_Bar_);

	if( g_TwMgr==NULL )
	{
		TwGlobalError(g_ErrNotInit);
		return 0; // not initialized
	}

	char unnamedVarName[64];
	if( _Name==NULL || strlen(_Name)==0 ) // create a name automatically
	{
		static unsigned int s_UnnamedVarCount = 0;
		_snprintf(unnamedVarName, sizeof(unnamedVarName), "TW_UNNAMED_%04X", s_UnnamedVarCount);
		_Name = unnamedVarName;
		++s_UnnamedVarCount;
	}

	if( _Bar==NULL || _Name==NULL || strlen(_Name)==0 || (_VarPtr==NULL && _GetCallback==NULL && _Type!=TW_TYPE_BUTTON) )
	{
		g_TwMgr->SetLastError(g_ErrBadParam);
		return 0;
	}
	if( _Bar->Find(_Name)!=NULL )
	{
		g_TwMgr->SetLastError(g_ErrExist);
		return 0;
	}

	if( strstr(_Name, "`")!=NULL )
	{
		g_TwMgr->SetLastError(g_ErrNoBackQuote);
		return 0;
	}

	if( _VarPtr==NULL && _Type!=TW_TYPE_BUTTON && _GetCallback!=NULL && _SetCallback==NULL )
		_ReadOnly = true;	// force readonly in this case

	// Convert color types
	if( _Type==TW_TYPE_COLOR32 )
		_Type = g_TwMgr->m_TypeColor32;
	else if( _Type==TW_TYPE_COLOR3F )
		_Type = g_TwMgr->m_TypeColor3F;
	else if( _Type==TW_TYPE_COLOR4F )
		_Type = g_TwMgr->m_TypeColor4F;

	// Convert rotation types
	if( _Type==TW_TYPE_QUAT4F )
		_Type = g_TwMgr->m_TypeQuat4F;
	else if( _Type==TW_TYPE_QUAT4D )
		_Type = g_TwMgr->m_TypeQuat4D;
	else if( _Type==TW_TYPE_DIR3F )
		_Type = g_TwMgr->m_TypeDir3F;
	else if( _Type==TW_TYPE_DIR3D )
		_Type = g_TwMgr->m_TypeDir3D;

	// VC++ uses a different definition of std::string in Debug and Release modes.
	// sizeof(std::string) is encoded in TW_TYPE_STDSTRING to overcome this issue.
	// With VS2010 the binary representation of std::string has changed too. This is
	// also detected here.
	if( (_Type&0xffff0000)==(TW_TYPE_STDSTRING&0xffff0000) || (_Type&0xffff0000)==TW_TYPE_STDSTRING_VS2010 || (_Type&0xffff0000)==TW_TYPE_STDSTRING_VS2008 )
	{
		if( g_TwMgr->m_ClientStdStringBaseType==0 )
			g_TwMgr->m_ClientStdStringBaseType = (TwType)(_Type&0xffff0000);

		size_t clientStdStringStructSize = (_Type&0xffff);
		if( g_TwMgr->m_ClientStdStringStructSize==0 )
			g_TwMgr->m_ClientStdStringStructSize = clientStdStringStructSize;
		int diff = abs((int)g_TwMgr->m_ClientStdStringStructSize - (int)sizeof(std::string));
		if( g_TwMgr->m_ClientStdStringStructSize!=clientStdStringStructSize || g_TwMgr->m_ClientStdStringStructSize==0
			|| (diff!=0 && diff!=sizeof(void*)))
		{
			g_TwMgr->SetLastError(g_ErrStdString);
			return 0;
		}

		_Type = TW_TYPE_STDSTRING; // force type to be our TW_TYPE_STDSTRING
	}

	if( _Type==TW_TYPE_STDSTRING )
	{
		g_TwMgr->m_CDStdStrings.push_back(CTwMgr::CCDStdString());
		CTwMgr::CCDStdString& CDStdString = g_TwMgr->m_CDStdStrings.back();
		CDStdString.m_ClientStdStringPtr = (std::string *)_VarPtr;
		CDStdString.m_ClientSetCallback = _SetCallback;
		CDStdString.m_ClientGetCallback = _GetCallback;
		CDStdString.m_ClientData = _ClientData;
		//CDStdString.m_This = g_TwMgr->m_CDStdStrings.end();
		//--CDStdString.m_This;
		TwGetVarCallback GetCB = CTwMgr::CCDStdString::GetCB;
		TwSetVarCallback SetCB = CTwMgr::CCDStdString::SetCB;
		if( _VarPtr==NULL && _SetCallback==NULL )
			SetCB = NULL;
		if( _VarPtr==NULL && _GetCallback==NULL )
			GetCB = NULL;
		return AddVar(_Bar, _Name, TW_TYPE_CDSTDSTRING, NULL, _ReadOnly, SetCB, GetCB, NULL, &CDStdString, _Def);
	}
	else if(	(_Type>TW_TYPE_UNDEF && _Type<TW_TYPE_STRUCT_BASE)
			 || (_Type>=TW_TYPE_ENUM_BASE && _Type<TW_TYPE_ENUM_BASE+(int)g_TwMgr->m_Enums.size())
			 || (_Type>TW_TYPE_CSSTRING_BASE && _Type<=TW_TYPE_CSSTRING_MAX)
			 || _Type==TW_TYPE_CDSTDSTRING
			 || IsCustomType(_Type) ) // (_Type>=TW_TYPE_CUSTOM_BASE && _Type<TW_TYPE_CUSTOM_BASE+(int)g_TwMgr->m_Customs.size()) )
	{
		CTwVarAtom *Var = new CTwVarAtom;
		Var->m_Name = _Name;
		Var->m_Ptr = _VarPtr;
		Var->m_Type = _Type;
		Var->m_ColorPtr = &(_Bar->m_ColLabelText);
		if( _VarPtr!=NULL )
		{
			assert( _GetCallback==NULL && _SetCallback==NULL && _ButtonCallback==NULL );

			Var->m_ReadOnly = _ReadOnly;
			Var->m_GetCallback = NULL;
			Var->m_SetCallback = NULL;
			Var->m_ClientData = NULL;
		}
		else
		{
			assert( _GetCallback!=NULL || _Type==TW_TYPE_BUTTON );

			Var->m_GetCallback = _GetCallback;
			Var->m_SetCallback = _SetCallback;
			Var->m_ClientData = _ClientData;
			if( _Type==TW_TYPE_BUTTON )
			{
				Var->m_Val.m_Button.m_Callback = _ButtonCallback;
				if( _ButtonCallback==NULL && _ClientData==&s_SeparatorTag )
				{
					Var->m_Val.m_Button.m_Separator = 1;
					Var->m_Label = " ";
				}
				else if( _ButtonCallback==NULL )
					Var->m_ColorPtr = &(_Bar->m_ColStaticText);
			}
			if( _Type!=TW_TYPE_BUTTON )
				Var->m_ReadOnly = (_SetCallback==NULL || _ReadOnly);
			else
				Var->m_ReadOnly = (_ButtonCallback==NULL);
		}
		Var->SetDefaults();

		if( IsCustomType(_Type) ) // _Type>=TW_TYPE_CUSTOM_BASE && _Type<TW_TYPE_CUSTOM_BASE+(int)g_TwMgr->m_Customs.size() )
		{
			if( Var->m_GetCallback==CTwMgr::CMemberProxy::GetCB && Var->m_SetCallback==CTwMgr::CMemberProxy::SetCB )
				Var->m_Val.m_Custom.m_MemberProxy = static_cast<CTwMgr::CMemberProxy *>(Var->m_ClientData);
			else
				Var->m_Val.m_Custom.m_MemberProxy = NULL;
		}

		_Bar->m_VarRoot.m_Vars.push_back(Var);
		int LineInHier = _Bar->LineInHier(&(_Bar->m_VarRoot), Var);
		if( LineInHier>=0 )
		{
			if( LineInHier<_Bar->m_FirstLine )
				_Bar->m_FirstLine++; // if the added var is before the first visible var, then increment m_FirstLine
			_Bar->CheckScrollbar(+1);
		}
		_Bar->NotUpToDate();
		g_TwMgr->m_HelpBarNotUpToDate = true;

		if( _Def!=NULL && strlen(_Def)>0 )
		{
			string d = '`' + _Bar->m_Name + "`/`" + _Name + "` " + _Def;
			return TwDefine(d.c_str());
		}
		else
			return 1;
	}
	else if(_Type>=TW_TYPE_STRUCT_BASE && _Type<TW_TYPE_STRUCT_BASE+(TwType)g_TwMgr->m_Structs.size())
	{
		CTwMgr::CStruct& s = g_TwMgr->m_Structs[_Type-TW_TYPE_STRUCT_BASE];
		CTwMgr::CStructProxy *sProxy = NULL;
		void *vPtr;
		if( !s.m_IsExt )
		{
			if( _VarPtr!=NULL )
				vPtr = _VarPtr;
			else
			{
				assert( _GetCallback!=NULL || _SetCallback!=NULL );
				assert( s.m_Size>0 );
				vPtr = new char[s.m_Size];
				memset(vPtr, 0, s.m_Size);
				// create a new StructProxy
				g_TwMgr->m_StructProxies.push_back(CTwMgr::CStructProxy());
				sProxy = &(g_TwMgr->m_StructProxies.back());
				sProxy->m_Type = _Type;
				sProxy->m_StructData = vPtr;
				sProxy->m_DeleteStructData = true;
				sProxy->m_StructSetCallback = _SetCallback;
				sProxy->m_StructGetCallback = _GetCallback;
				sProxy->m_StructClientData = _ClientData;
				sProxy->m_CustomDrawCallback = NULL;
				sProxy->m_CustomMouseButtonCallback = NULL;
				sProxy->m_CustomMouseMotionCallback = NULL;
				sProxy->m_CustomMouseLeaveCallback = NULL;
				sProxy->m_CustomCaptureFocus = false;
				sProxy->m_CustomIndexFirst = -1;
				sProxy->m_CustomIndexLast = -1;
				//g_TwMgr->InitVarData(sProxy->m_Type, sProxy->m_StructData, s.m_Size);
			}
		}
		else // s.m_IsExt
		{
			assert( s.m_Size>0 && s.m_ClientStructSize>0 );
			vPtr = new char[s.m_Size];	// will be m_StructExtData
			memset(vPtr, 0, s.m_Size);
			// create a new StructProxy
			g_TwMgr->m_StructProxies.push_back(CTwMgr::CStructProxy());
			sProxy = &(g_TwMgr->m_StructProxies.back());
			sProxy->m_Type = _Type;
			sProxy->m_StructExtData = vPtr;
			sProxy->m_StructSetCallback = _SetCallback;
			sProxy->m_StructGetCallback = _GetCallback;
			sProxy->m_StructClientData = _ClientData;
			sProxy->m_CustomDrawCallback = NULL;
			sProxy->m_CustomMouseButtonCallback = NULL;
			sProxy->m_CustomMouseMotionCallback = NULL;
			sProxy->m_CustomMouseLeaveCallback = NULL;
			sProxy->m_CustomCaptureFocus = false;
			sProxy->m_CustomIndexFirst = -1;
			sProxy->m_CustomIndexLast = -1;
			//g_TwMgr->InitVarData(sProxy->m_Type, sProxy->m_StructExtData, s.m_Size);
			if( _VarPtr!=NULL )
			{
				sProxy->m_StructData = _VarPtr;
				sProxy->m_DeleteStructData = false;
			}
			else
			{
				sProxy->m_StructData = new char[s.m_ClientStructSize];
				memset(sProxy->m_StructData, 0, s.m_ClientStructSize);
				sProxy->m_DeleteStructData = true;
				//g_TwMgr->InitVarData(ClientStructType, sProxy->m_StructData, s.m_ClientStructSize); //ClientStructType is unknown
			}
			_VarPtr = NULL; // force use of TwAddVarCB for members

			// init m_StructExtdata
			if( s.m_ExtClientData==CTwMgr::CStruct::s_PassProxyAsClientData )
				s.m_StructExtInitCallback(sProxy->m_StructExtData, sProxy);
			else
				s.m_StructExtInitCallback(sProxy->m_StructExtData, s.m_ExtClientData);
		}

		for( int i=0; i<(int)s.m_Members.size(); ++i )
		{
			CTwMgr::CStructMember& m = s.m_Members[i];
			string name = string(_Name) + '.' + m.m_Name;
			const char *access = "";
			if( _ReadOnly )
				access = "readonly ";
			string def	= "label=`" + m.m_Name + "` group=`" + _Name + "` " + access; // + m.m_DefString;  // member def must be done after group def
			if( _VarPtr!=NULL )
			{
				if( TwAddVarRW(_Bar, name.c_str(), m.m_Type, (char*)vPtr+m.m_Offset, def.c_str())==0 )
					return 0;
			}
			else
			{
				assert( sProxy!=NULL );
				// create a new MemberProxy
				g_TwMgr->m_MemberProxies.push_back(CTwMgr::CMemberProxy());
				CTwMgr::CMemberProxy& mProxy = g_TwMgr->m_MemberProxies.back();
				mProxy.m_StructProxy = sProxy;
				mProxy.m_MemberIndex = i;
				assert( !(s.m_IsExt && (m.m_Type==TW_TYPE_STDSTRING || m.m_Type==TW_TYPE_CDSTDSTRING)) );	// forbidden because this case is not handled by UnrollCDStdString
				if( TwAddVarCB(_Bar, name.c_str(), m.m_Type, CTwMgr::CMemberProxy::SetCB, CTwMgr::CMemberProxy::GetCB, &mProxy, def.c_str())==0 )
					return 0;
				mProxy.m_Var = _Bar->Find(name.c_str(), &mProxy.m_VarParent, NULL);
				mProxy.m_Bar = _Bar;
			}

			if( sProxy!=NULL && IsCustomType(m.m_Type) ) // m.m_Type>=TW_TYPE_CUSTOM_BASE && m.m_Type<TW_TYPE_CUSTOM_BASE+(int)g_TwMgr->m_Customs.size() )
			{
				if( sProxy->m_CustomIndexFirst<0 )
					sProxy->m_CustomIndexFirst = sProxy->m_CustomIndexLast = i;
				else
					sProxy->m_CustomIndexLast = i;
			}
		}
		char structInfo[64];
		sprintf(structInfo, "typeid=%d valptr=%p close ", _Type, vPtr);
		string grpDef = '`' + _Bar->m_Name + "`/`" + _Name + "` " + structInfo;
		if( _Def!=NULL && strlen(_Def)>0 )
			grpDef += _Def;
		int ret = TwDefine(grpDef.c_str());
		for( int i=0; i<(int)s.m_Members.size(); ++i ) // members must be defined even if grpDef has error
		{
			CTwMgr::CStructMember& m = s.m_Members[i];
			if( m.m_DefString.length()>0 )
			{
				string memberDef = '`' + _Bar->m_Name + "`/`" + _Name + '.' + m.m_Name + "` " + m.m_DefString;
				if( !TwDefine(memberDef.c_str()) ) // all members must be defined even if memberDef has error
					ret = 0;
			}
		}
		return ret;
	}
	else
	{
		if( _Type==TW_TYPE_CSSTRING_BASE )
			g_TwMgr->SetLastError(g_ErrBadSize); // static string of size null
		else
			g_TwMgr->SetLastError(g_ErrNotFound);
		return 0;
	}
}

//	---------------------------------------------------------------------------

int ANT_CALL TwAddVarRW(TwBar *_Bar, const char *_Name, ETwType _Type, void *_Var, const char *_Def)
{
	return AddVar(_Bar, _Name, _Type, _Var, false, NULL, NULL, NULL, NULL, _Def);
}

//	---------------------------------------------------------------------------

int ANT_CALL TwAddVarRO(TwBar *_Bar, const char *_Name, ETwType _Type, const void *_Var, const char *_Def)
{
	return AddVar(_Bar, _Name, _Type, const_cast<void *>(_Var), true, NULL, NULL, NULL, NULL, _Def);
}

//	---------------------------------------------------------------------------

int ANT_CALL TwAddVarCB(TwBar *_Bar, const char *_Name, ETwType _Type, TwSetVarCallback _SetCallback, TwGetVarCallback _GetCallback, void *_ClientData, const char *_Def)
{
	return AddVar(_Bar, _Name, _Type, NULL, false, _SetCallback, _GetCallback, NULL, _ClientData, _Def);
}

//	---------------------------------------------------------------------------

int ANT_CALL TwAddButton(TwBar *_Bar, const char *_Name, TwButtonCallback _Callback, void *_ClientData, const char *_Def)
{
	return AddVar(_Bar, _Name, TW_TYPE_BUTTON, NULL, false, NULL, NULL, _Callback, _ClientData, _Def);
}

//	---------------------------------------------------------------------------

int ANT_CALL TwAddSeparator(TwBar *_Bar, const char *_Name, const char *_Def)
{
	return AddVar(_Bar, _Name, TW_TYPE_BUTTON, NULL, true, NULL, NULL, NULL, &s_SeparatorTag, _Def);
}

//	---------------------------------------------------------------------------

int ANT_CALL TwRemoveVar(TwBar *_Bar_, const char *_Name)
{
	AntTweakBar::CTwBar* _Bar = static_cast<AntTweakBar::CTwBar*>(_Bar_);

	if( g_TwMgr==NULL )
	{
		TwGlobalError(g_ErrNotInit);
		return 0; // not initialized
	}
	if( _Bar==NULL || _Name==NULL || strlen(_Name)==0 )
	{
		g_TwMgr->SetLastError(g_ErrBadParam);
		return 0;
	}

	if( g_TwMgr->m_PopupBar!=NULL && _Bar!=g_TwMgr->m_PopupBar )	// delete popup bar first if it exists
	{
		TwDeleteBar(g_TwMgr->m_PopupBar);
		g_TwMgr->m_PopupBar = NULL;
	}

	_Bar->StopEditInPlace();	// desactivate EditInPlace

	CTwVarGroup *Parent = NULL;
	int Index = -1;
	CTwVar *Var = _Bar->Find(_Name, &Parent, &Index);
	if( Var!=NULL && Parent!=NULL && Index>=0 )
	{
		if( Parent->m_StructValuePtr!=NULL )
		{
			g_TwMgr->SetLastError(g_ErrDelStruct);
			return 0;
		}

		int LineInHier = _Bar->LineInHier(&(_Bar->m_VarRoot), Var);
		delete Var;
		Parent->m_Vars.erase(Parent->m_Vars.begin()+Index);
		if( Parent!=&(_Bar->m_VarRoot) && Parent->m_Vars.size()<=0 )
			TwRemoveVar(_Bar, Parent->m_Name.c_str());
		if( LineInHier>=0 )
		{
			if ( LineInHier<_Bar->m_FirstLine )
				_Bar->m_FirstLine--; // if the removed var is before the first visible var, then decrement m_FirstLine
			_Bar->CheckScrollbar(-1);
		}
		_Bar->NotUpToDate();
		if( _Bar!=g_TwMgr->m_HelpBar )
			g_TwMgr->m_HelpBarNotUpToDate = true;
		return 1;
	}

	g_TwMgr->SetLastError(g_ErrNotFound);
	return 0;
}

//	---------------------------------------------------------------------------

int ANT_CALL TwRemoveAllVars(TwBar *_Bar_)
{
	AntTweakBar::CTwBar* _Bar = static_cast<AntTweakBar::CTwBar*>(_Bar_);

	if( g_TwMgr==NULL )
	{
		TwGlobalError(g_ErrNotInit);
		return 0; // not initialized
	}
	if( _Bar==NULL )
	{
		g_TwMgr->SetLastError(g_ErrBadParam);
		return 0;
	}

	if( g_TwMgr->m_PopupBar!=NULL && _Bar!=g_TwMgr->m_PopupBar && _Bar!=g_TwMgr->m_HelpBar )	// delete popup bar first if it exists
	{
		TwDeleteBar(g_TwMgr->m_PopupBar);
		g_TwMgr->m_PopupBar = NULL;
	}

	_Bar->StopEditInPlace();	// desactivate EditInPlace

	for( vector<CTwVar*>::iterator it=_Bar->m_VarRoot.m_Vars.begin(); it!=_Bar->m_VarRoot.m_Vars.end(); ++it )
		if( *it != NULL )
		{
			delete *it;
			*it = NULL;
		}
	_Bar->m_VarRoot.m_Vars.resize(0);
	_Bar->m_FirstLine = 0;	// reset scrollbar
	_Bar->NotUpToDate();
	g_TwMgr->m_HelpBarNotUpToDate = true;
	return 1;
}

//	---------------------------------------------------------------------------

namespace AntTweakBar {

int ParseToken(string& _Token, const char *_Def, int& Line, int& Column, bool _KeepQuotes, bool _EndCR, char _Sep1='\0', char _Sep2='\0')
{
	const char *Cur = _Def;
	_Token = "";
	// skip spaces
	while( *Cur==' ' || *Cur=='\t' || *Cur=='\r' || *Cur=='\n' )
	{
		if( *Cur=='\n' && _EndCR )
			return (int)(Cur-_Def); // a CR has been found
		++Cur;
		if( *Cur=='\n' )
		{
			++Line;
			Column = 1;
		}
		else if( *Cur=='\t' )
			Column += g_TabLength;
		else if( *Cur!='\r' )
			++Column;
	}
	// read token
	int QuoteLine=0, QuoteColumn=0;
	char Quote = 0;
	bool AddChar;
	bool LineJustIncremented = false;
	while(	  (Quote==0 && (*Cur!='\0' && *Cur!=' ' && *Cur!='\t' && *Cur!='\r' && *Cur!='\n' && *Cur!=_Sep1 && *Cur!=_Sep2))
		   || (Quote!=0 && (*Cur!='\0' /* && *Cur!='\r' && *Cur!='\n' */)) ) // allow multi-line strings
	{
		LineJustIncremented = false;
		AddChar = true;
		if( Quote==0 && (*Cur=='\'' || *Cur=='\"' || *Cur=='`') )
		{
			Quote = *Cur;
			QuoteLine = Line;
			QuoteColumn = Column;
			AddChar = _KeepQuotes;
		}
		else if ( Quote!=0 && *Cur==Quote )
		{
			Quote = 0;
			AddChar = _KeepQuotes;
		}

		if( AddChar )
			_Token += *Cur;
		++Cur;
		if( *Cur=='\t' )
			Column += g_TabLength;
		else if( *Cur=='\n' )
		{
			++Line;
			LineJustIncremented = true;
			Column = 1;
		}
		else
			++Column;
	}

	if( Quote!=0 )
	{
		Line = QuoteLine;
		Column = QuoteColumn;
		return -(int)(Cur-_Def);	// unclosed quote
	}
	else
	{
		if( *Cur=='\n' )
		{
			if( !LineJustIncremented )
				++Line;
			Column = 1;
		}
		else if( *Cur=='\t' )
			Column += g_TabLength;
		else if( *Cur!='\r' && *Cur!='\0' )
			++Column;
		return (int)(Cur-_Def);
	}
}

//	---------------------------------------------------------------------------

int GetBarVarFromString(CTwBar **_Bar, CTwVar **_Var, CTwVarGroup **_VarParent, int *_VarIndex, const char *_Str)
{
	*_Bar = NULL;
	*_Var = NULL;
	*_VarParent = NULL;
	*_VarIndex = -1;
	vector<string> Names;
	string Token;
	const char *Cur =_Str;
	int l=1, c=1, p=1;
	while( *Cur!='\0' && p>0 && Names.size()<=3 )
	{
		p = ParseToken(Token, Cur, l, c, false, true, '/', '\\');
		if( p>0 && Token.size()>0 )
		{
			Names.push_back(Token);
			Cur += p + ((Cur[p]!='\0')?1:0);
		}
	}
	if( p<=0 || (Names.size()!=1 && Names.size()!=2) )
		return 0;	// parse error
	int BarIdx = g_TwMgr->FindBar(Names[0].c_str());
	if( BarIdx<0 )
	{
		if( Names.size()==1 && strcmp(Names[0].c_str(), "GLOBAL")==0 )
		{
			*_Bar = TW_GLOBAL_BAR;
			return +3;	// 'GLOBAL' found
		}
		else
			return -1;	// bar not found
	}
	*_Bar = g_TwMgr->m_Bars[BarIdx];
	if( Names.size()==1 )
		return 1;	// bar found, no var name parsed
	*_Var = (*_Bar)->Find(Names[1].c_str(), _VarParent, _VarIndex);
	if( *_Var==NULL )
		return -2;	// var not found
	return 2;		// bar and var found
}


int BarVarHasAttrib(CTwBar *_Bar, CTwVar *_Var, const char *_Attrib, bool *_HasValue)
{
	assert(_Bar!=NULL && _HasValue!=NULL && _Attrib!=NULL && strlen(_Attrib)>0);
	*_HasValue = false;
	if( _Bar==TW_GLOBAL_BAR )
	{
		assert( _Var==NULL );
		return g_TwMgr->HasAttrib(_Attrib, _HasValue);
	}
	else if( _Var==NULL )
		return _Bar->HasAttrib(_Attrib, _HasValue);
	else
		return _Var->HasAttrib(_Attrib, _HasValue);
}


int BarVarSetAttrib(CTwBar *_Bar, CTwVar *_Var, CTwVarGroup *_VarParent, int _VarIndex, int _AttribID, const char *_Value)
{
	assert(_Bar!=NULL && _AttribID>0);

	/* don't delete popupbar here: if any attrib is changed every frame by the app, popup will not work anymore.
	if( g_TwMgr->m_PopupBar!=NULL && _Bar!=g_TwMgr->m_PopupBar && g_TwMgr->m_PopupBar->m_BarLinkedToPopupList==_Bar )	// delete popup bar first if it exists
	{
		TwDeleteBar(g_TwMgr->m_PopupBar);
		g_TwMgr->m_PopupBar = NULL;
	}
	*/

	if( _Bar==TW_GLOBAL_BAR )
	{
		assert( _Var==NULL );
		return g_TwMgr->SetAttrib(_AttribID, _Value);
	}
	else if( _Var==NULL )
		return _Bar->SetAttrib(_AttribID, _Value);
	else
		return _Var->SetAttrib(_AttribID, _Value, _Bar, _VarParent, _VarIndex);
	// don't make _Bar not-up-to-date here, should be done in SetAttrib if needed to avoid too frequent refreshs
}


ERetType BarVarGetAttrib(CTwBar *_Bar, CTwVar *_Var, CTwVarGroup *_VarParent, int _VarIndex, int _AttribID, std::vector<double>& outDoubles, std::ostringstream& outString)
{
	assert(_Bar!=NULL && _AttribID>0);

	if( _Bar==TW_GLOBAL_BAR )
	{
		assert( _Var==NULL );
		return g_TwMgr->GetAttrib(_AttribID, outDoubles, outString);
	}
	else if( _Var==NULL )
		return _Bar->GetAttrib(_AttribID, outDoubles, outString);
	else
		return _Var->GetAttrib(_AttribID, _Bar, _VarParent, _VarIndex, outDoubles, outString);
}

//	---------------------------------------------------------------------------

static inline std::string ErrorPosition(bool _MultiLine, int _Line, int _Column)
{
	if( !_MultiLine )
		return "";
	else
	{
		char pos[32];
		//_snprintf(pos, sizeof(pos)-1, " line %d column %d", _Line, _Column);
		_snprintf(pos, sizeof(pos)-1, " line %d", _Line); (void)_Column;
		pos[sizeof(pos)-1] = '\0';
		return pos;
	}
}

} using namespace AntTweakBar;

//	---------------------------------------------------------------------------

int ANT_CALL TwDefine(const char *_Def)
{
	using AntTweakBar::CTwBar;

	CTwFPU fpu; // force fpu precision

	// hack to scale fonts artificially (for retina display for instance)
	if( g_TwMgr==NULL && _Def!=NULL )
	{
		size_t l = strlen(_Def);
		const char *eq = strchr(_Def, '=');
		if( eq!=NULL && eq!=_Def && l>0 && l<512 )
		{
			char *a = new char[l+1];
			char *b = new char[l+1];
			if( sscanf(_Def, "%s%s", a, b)==2 && strcmp(a, "GLOBAL")==0 )
			{
				if( strchr(b, '=') != NULL )
					*strchr(b, '=') = '\0';
				double scal = 1.0;
				if( _stricmp(b, "fontscaling")==0 && sscanf(eq+1, "%lf", &scal)==1 && scal>0 )
				{
					g_FontScaling = (float)scal;
					delete[] a;
					delete[] b;
					return 1;
				}
			}
			delete[] a;
			delete[] b;
		}
	}

	if( g_TwMgr==NULL )
	{
		TwGlobalError(g_ErrNotInit);
		return 0; // not initialized
	}
	if( _Def==NULL )
	{
		g_TwMgr->SetLastError(g_ErrBadParam);
		return 0;
	}

	bool MultiLine = false;
	const char *Cur = _Def;
	while( *Cur!='\0' )
	{
		if( *Cur=='\n' )
		{
			MultiLine = true;
			break;
		}
		++Cur;
	}

	int Line = 1;
	int Column = 1;
	enum EState { PARSE_NAME, PARSE_ATTRIB };
	EState State = PARSE_NAME;
	string Token;
	string Value;
	CTwBar *Bar = NULL;
	CTwVar *Var = NULL;
	CTwVarGroup *VarParent = NULL;
	int VarIndex = -1;
	int p;

	Cur = _Def;
	while( *Cur!='\0' )
	{
		const char *PrevCur = Cur;
		p = ParseToken(Token, Cur, Line, Column, (State==PARSE_NAME), (State==PARSE_ATTRIB), (State==PARSE_ATTRIB)?'=':'\0');
		if( p<=0 || Token.size()<=0 )
		{
			if( p>0 && Cur[p]=='\0' )
			{
				Cur += p;
				continue;
			}
			_snprintf(g_ErrParse, sizeof(g_ErrParse), "Parsing error in def string%s [%-16s...]", ErrorPosition(MultiLine, Line, Column).c_str(), (p<0)?(Cur-p):PrevCur);
			g_ErrParse[sizeof(g_ErrParse)-1] = '\0';
			g_TwMgr->SetLastError(g_ErrParse);
			return 0;
		}
		char CurSep = Cur[p];
		Cur += p + ((CurSep!='\0')?1:0);

		if( State==PARSE_NAME )
		{
			int Err = GetBarVarFromString(&Bar, &Var, &VarParent, &VarIndex, Token.c_str());
			if( Err<=0 )
			{
				if( Err==-1 )
					_snprintf(g_ErrParse, sizeof(g_ErrParse), "Parsing error in def string: Bar not found%s [%-16s...]", ErrorPosition(MultiLine, Line, Column).c_str(), Token.c_str());
				else if( Err==-2 )
					_snprintf(g_ErrParse, sizeof(g_ErrParse), "Parsing error in def string: Variable not found%s [%-16s...]", ErrorPosition(MultiLine, Line, Column).c_str(), Token.c_str());
				else
					_snprintf(g_ErrParse, sizeof(g_ErrParse), "Parsing error in def string%s [%-16s...]", ErrorPosition(MultiLine, Line, Column).c_str(), Token.c_str());
				g_ErrParse[sizeof(g_ErrParse)-1] = '\0';
				g_TwMgr->SetLastError(g_ErrParse);
				return 0;
			}
			State = PARSE_ATTRIB;
		}
		else // State==PARSE_ATTRIB
		{
			assert(State==PARSE_ATTRIB);
			assert(Bar!=NULL);

			bool HasValue = false;
			Value = "";
			int AttribID = BarVarHasAttrib(Bar, Var, Token.c_str(), &HasValue);
			if( AttribID<=0 )
			{
				_snprintf(g_ErrParse, sizeof(g_ErrParse), "Parsing error in def string: Unknown attribute%s [%-16s...]", ErrorPosition(MultiLine, Line, Column).c_str(), Token.c_str());
				g_ErrParse[sizeof(g_ErrParse)-1] = '\0';
				g_TwMgr->SetLastError(g_ErrParse);
				return 0;
			}

			// special case for backward compatibility
			if( HasValue && ( _stricmp(Token.c_str(), "readonly")==0 || _stricmp(Token.c_str(), "hexa")==0 ) )
			{
				if( CurSep==' ' || CurSep=='\t' )
				{
					const char *ch = Cur;
					while( *ch==' ' || *ch=='\t' ) // find next non-space character
						++ch;
					if( *ch!='=' ) // if this is not '=' the param has no value
						HasValue = false;
				}
			}

			if( HasValue )
			{
				if( CurSep!='=' )
				{
					string EqualStr;
					p = ParseToken(EqualStr, Cur, Line, Column, true, true, '=');
					CurSep = Cur[p];
					if( p<0 || EqualStr.size()>0 || CurSep!='=' )
					{
						_snprintf(g_ErrParse, sizeof(g_ErrParse), "Parsing error in def string: '=' not found while reading attribute value%s [%-16s...]", ErrorPosition(MultiLine, Line, Column).c_str(), Token.c_str());
						g_ErrParse[sizeof(g_ErrParse)-1] = '\0';
						g_TwMgr->SetLastError(g_ErrParse);
						return 0;
					}
					Cur += p + 1;
				}
				p = ParseToken(Value, Cur, Line, Column, false, true);
				if( p<=0 )
				{
					_snprintf(g_ErrParse, sizeof(g_ErrParse), "Parsing error in def string: can't read attribute value%s [%-16s...]", ErrorPosition(MultiLine, Line, Column).c_str(), Token.c_str());
					g_ErrParse[sizeof(g_ErrParse)-1] = '\0';
					g_TwMgr->SetLastError(g_ErrParse);
					return 0;
				}
				CurSep = Cur[p];
				Cur += p + ((CurSep!='\0')?1:0);
			}
			const char *PrevLastErrorPtr = g_TwMgr->CheckLastError();
			if( BarVarSetAttrib(Bar, Var, VarParent, VarIndex, AttribID, HasValue?Value.c_str():NULL)==0 )
			{
				if( g_TwMgr->CheckLastError()==NULL || strlen(g_TwMgr->CheckLastError())<=0 || g_TwMgr->CheckLastError()==PrevLastErrorPtr )
					_snprintf(g_ErrParse, sizeof(g_ErrParse), "Parsing error in def string: wrong attribute value%s [%-16s...]", ErrorPosition(MultiLine, Line, Column).c_str(), Token.c_str());
				else
					_snprintf(g_ErrParse, sizeof(g_ErrParse), "%s%s [%-16s...]", g_TwMgr->CheckLastError(), ErrorPosition(MultiLine, Line, Column).c_str(), Token.c_str());
				g_ErrParse[sizeof(g_ErrParse)-1] = '\0';
				g_TwMgr->SetLastError(g_ErrParse);
				return 0;
			}
			// sweep spaces to detect next attrib
			while( *Cur==' ' || *Cur=='\t' || *Cur=='\r' )
			{
				++Cur;
				if( *Cur=='\t' )
					Column += g_TabLength;
				else if( *Cur!='\r' )
					++Column;
			}
			if( *Cur=='\n' )	// new line detected
			{
				++Line;
				Column = 1;
				State = PARSE_NAME;
			}
		}
	}

	g_TwMgr->m_HelpBarNotUpToDate = true;
	return 1;
}

//	---------------------------------------------------------------------------

TwType ANT_CALL TwDefineEnum(const char *_Name, const TwEnumVal *_EnumValues, unsigned int _NbValues)
{
	CTwFPU fpu; // force fpu precision

	if( g_TwMgr==NULL )
	{
		TwGlobalError(g_ErrNotInit);
		return TW_TYPE_UNDEF; // not initialized
	}
	if( _EnumValues==NULL && _NbValues!=0 )
	{
		g_TwMgr->SetLastError(g_ErrBadParam);
		return TW_TYPE_UNDEF;
	}

	if( g_TwMgr->m_PopupBar!=NULL ) // delete popup bar first if it exists
	{
		TwDeleteBar(g_TwMgr->m_PopupBar);
		g_TwMgr->m_PopupBar = NULL;
	}

	size_t enumIndex = g_TwMgr->m_Enums.size();
	if( _Name!=NULL && strlen(_Name)>0 )
		for( size_t j=0; j<g_TwMgr->m_Enums.size(); ++j )
			if( strcmp(_Name, g_TwMgr->m_Enums[j].m_Name.c_str())==0 )
			{
				enumIndex = j;
				break;
			}
	if( enumIndex==g_TwMgr->m_Enums.size() )
		g_TwMgr->m_Enums.push_back(CTwMgr::CEnum());
	assert( enumIndex>=0 && enumIndex<g_TwMgr->m_Enums.size() );
	CTwMgr::CEnum& e = g_TwMgr->m_Enums[enumIndex];
	if( _Name!=NULL && strlen(_Name)>0 )
		e.m_Name = _Name;
	else
		e.m_Name = "";
	e.m_Entries.clear();
	for(unsigned int i=0; i<_NbValues; ++i)
	{
		CTwMgr::CEnum::CEntries::value_type Entry(_EnumValues[i].Value, (_EnumValues[i].Label!=NULL)?_EnumValues[i].Label:"");
		pair<CTwMgr::CEnum::CEntries::iterator, bool> Result = e.m_Entries.insert(Entry);
		if( !Result.second )
			(Result.first)->second = Entry.second;
	}

	return TwType( TW_TYPE_ENUM_BASE + enumIndex );
}

//	---------------------------------------------------------------------------

TwType TW_CALL TwDefineEnumFromString(const char *_Name, const char *_EnumString)
{
	if (_EnumString == NULL)
		return TwDefineEnum(_Name, NULL, 0);

	// split enumString
	stringstream EnumStream(_EnumString);
	string Label;
	vector<string> Labels;
	while( getline(EnumStream, Label, ',') ) {
		// trim Label
		size_t Start = Label.find_first_not_of(" \n\r\t");
		size_t End = Label.find_last_not_of(" \n\r\t");
		if( Start==string::npos || End==string::npos )
			Label = "";
		else
			Label = Label.substr(Start, (End-Start)+1);
		// store Label
		Labels.push_back(Label);
	}
	// create TwEnumVal array
	vector<TwEnumVal> Vals(Labels.size());
	for( int i=0; i<(int)Labels.size(); i++ )
	{
		Vals[i].Value = i;
		Vals[i].Label = Labels[i].c_str();
	}

	return TwDefineEnum(_Name, Vals.empty() ? NULL : &(Vals[0]), (unsigned int)Vals.size());
}

//	---------------------------------------------------------------------------

void ANT_CALL CTwMgr::CStruct::DefaultSummary(char *_SummaryString, size_t _SummaryMaxLength, const void *_Value, void *_ClientData)
{
	const CTwVarGroup *varGroup = static_cast<const CTwVarGroup *>(_Value); // special case
	if( _SummaryString && _SummaryMaxLength>0 )
		_SummaryString[0] = '\0';
	size_t structIndex = (size_t)(_ClientData);
	if(    g_TwMgr && _SummaryString && _SummaryMaxLength>2
		&& varGroup && static_cast<const CTwVar *>(varGroup)->IsGroup()
		&& structIndex>=0 && structIndex<=g_TwMgr->m_Structs.size() )
	{
		// return g_TwMgr->m_Structs[structIndex].m_Name.c_str();
		CTwMgr::CStruct& s = g_TwMgr->m_Structs[structIndex];
		_SummaryString[0] = '{';
		_SummaryString[1] = '\0';
		bool separator = false;
		for( size_t i=0; i<s.m_Members.size(); ++i )
		{
			string varName = varGroup->m_Name + '.' + s.m_Members[i].m_Name;
			const CTwVar *var = varGroup->Find(varName.c_str(), NULL, NULL);
			if( var )
			{
				if( var->IsGroup() )
				{
					const CTwVarGroup *grp = static_cast<const CTwVarGroup *>(var);
					if( grp->m_SummaryCallback!=NULL )
					{
						size_t l = strlen(_SummaryString);
						if( separator )
						{
							_SummaryString[l++] = ',';
							_SummaryString[l++] = '\0';
						}
						if( grp->m_SummaryCallback==CTwMgr::CStruct::DefaultSummary )
							grp->m_SummaryCallback(_SummaryString+l, _SummaryMaxLength-l, grp, grp->m_SummaryClientData);
						else
							grp->m_SummaryCallback(_SummaryString+l, _SummaryMaxLength-l, grp->m_StructValuePtr, grp->m_SummaryClientData);
						separator = true;
					}
				}
				else
				{
					size_t l = strlen(_SummaryString);
					if( separator )
					{
						_SummaryString[l++] = ',';
						_SummaryString[l++] = '\0';
					}
					string valString;
					const CTwVarAtom *atom = static_cast<const CTwVarAtom *>(var);
					atom->ValueToString(&valString);
					if( atom->m_Type==TW_TYPE_BOOLCPP || atom->m_Type==TW_TYPE_BOOL8 || atom->m_Type==TW_TYPE_BOOL16 || atom->m_Type==TW_TYPE_BOOL32 )
					{
						if (valString == "0")
							valString = "-";
						else if (valString == "1")
							valString = "\x7f"; // check sign
					}
					strncat(_SummaryString, valString.c_str(), _SummaryMaxLength-l);
					separator = true;
				}
				if( strlen(_SummaryString)>_SummaryMaxLength-2 )
					break;
			}
		}
		size_t l = strlen(_SummaryString);
		if( l>_SummaryMaxLength-2 )
		{
			_SummaryString[_SummaryMaxLength-2] = '.';
			_SummaryString[_SummaryMaxLength-1] = '.';
			_SummaryString[_SummaryMaxLength+0] = '\0';
		}
		else
		{
			_SummaryString[l+0] = '}';
			_SummaryString[l+1] = '\0';
		}
	}
}

//	---------------------------------------------------------------------------

TwType ANT_CALL TwDefineStruct(const char *_StructName, const TwStructMember *_StructMembers, unsigned int _NbMembers, size_t _StructSize, TwSummaryCallback _SummaryCallback, void *_SummaryClientData)
{
	CTwFPU fpu; // force fpu precision

	if( g_TwMgr==NULL )
	{
		TwGlobalError(g_ErrNotInit);
		return TW_TYPE_UNDEF; // not initialized
	}
	if( _StructMembers==NULL || _NbMembers==0 || _StructSize==0 )
	{
		g_TwMgr->SetLastError(g_ErrBadParam);
		return TW_TYPE_UNDEF;
	}

	if( _StructName!=NULL && strlen(_StructName)>0 )
		for( size_t j=0; j<g_TwMgr->m_Structs.size(); ++j )
			if( strcmp(_StructName, g_TwMgr->m_Structs[j].m_Name.c_str())==0 )
			{
				g_TwMgr->SetLastError(g_ErrExist);
				return TW_TYPE_UNDEF;
			}

	size_t structIndex = g_TwMgr->m_Structs.size();
	CTwMgr::CStruct s;
	s.m_Size = _StructSize;
	if( _StructName!=NULL && strlen(_StructName)>0 )
		s.m_Name = _StructName;
	else
		s.m_Name = "";
	s.m_Members.resize(_NbMembers);
	if( _SummaryCallback!=NULL )
	{
		s.m_SummaryCallback = _SummaryCallback;
		s.m_SummaryClientData = _SummaryClientData;
	}
	else
	{
		s.m_SummaryCallback = CTwMgr::CStruct::DefaultSummary;
		s.m_SummaryClientData = (void *)(structIndex);
	}
	for( unsigned int i=0; i<_NbMembers; ++i )
	{
		CTwMgr::CStructMember& m = s.m_Members[i];
		if( _StructMembers[i].Name!=NULL )
			m.m_Name = _StructMembers[i].Name;
		else
		{
			char name[16];
			sprintf(name, "%u", i);
			m.m_Name = name;
		}
		m.m_Type = _StructMembers[i].Type;
		m.m_Size = 0;	// to avoid endless recursivity in GetDataSize
		m.m_Size = CTwVar::GetDataSize(m.m_Type);
		if( _StructMembers[i].Offset<_StructSize )
			m.m_Offset = _StructMembers[i].Offset;
		else
		{
			g_TwMgr->SetLastError(g_ErrOffset);
			return TW_TYPE_UNDEF;
		}
		if( _StructMembers[i].DefString!=NULL && strlen(_StructMembers[i].DefString)>0 )
			m.m_DefString = _StructMembers[i].DefString;
		else
			m.m_DefString = "";
	}

	g_TwMgr->m_Structs.push_back(s);
	assert( g_TwMgr->m_Structs.size()==structIndex+1 );
	return TwType( TW_TYPE_STRUCT_BASE + structIndex );
}

//	---------------------------------------------------------------------------

namespace AntTweakBar {

TwType ANT_CALL TwDefineStructExt(const char *_StructName, const TwStructMember *_StructExtMembers, unsigned int _NbExtMembers, size_t _StructSize, size_t _StructExtSize, TwStructExtInitCallback _StructExtInitCallback, TwCopyVarFromExtCallback _CopyVarFromExtCallback, TwCopyVarToExtCallback _CopyVarToExtCallback, TwSummaryCallback _SummaryCallback, void *_ClientData, const char *_Help)
{
	CTwFPU fpu; // force fpu precision

	if( g_TwMgr==NULL )
	{
		TwGlobalError(g_ErrNotInit);
		return TW_TYPE_UNDEF; // not initialized
	}
	if( _StructSize==0 || _StructExtInitCallback==NULL || _CopyVarFromExtCallback==NULL || _CopyVarToExtCallback==NULL )
	{
		g_TwMgr->SetLastError(g_ErrBadParam);
		return TW_TYPE_UNDEF;
	}
	TwType type = TwDefineStruct(_StructName, _StructExtMembers, _NbExtMembers, _StructExtSize, _SummaryCallback, _ClientData);
	if( type>=TW_TYPE_STRUCT_BASE && type<TW_TYPE_STRUCT_BASE+(int)g_TwMgr->m_Structs.size() )
	{
		CTwMgr::CStruct& s = g_TwMgr->m_Structs[type-TW_TYPE_STRUCT_BASE];
		s.m_IsExt = true;
		s.m_ClientStructSize = _StructSize;
		s.m_StructExtInitCallback = _StructExtInitCallback;
		s.m_CopyVarFromExtCallback = _CopyVarFromExtCallback;
		s.m_CopyVarToExtCallback = _CopyVarToExtCallback;
		s.m_ExtClientData = _ClientData;
		if( _Help!=NULL )
			s.m_Help = _Help;
	}
	return type;
}

//	---------------------------------------------------------------------------

bool TwGetKeyCode(int *_Code, int *_Modif, const char *_String)
{
	assert(_Code!=NULL && _Modif!=NULL);
	bool Ok = true;
	*_Modif = TW_KMOD_NONE;
	*_Code = 0;
	size_t Start = strlen(_String)-1;
	if( Start<0 )
		return false;
	while( Start>0 && _String[Start-1]!='+' )
		--Start;
	while( _String[Start]==' ' || _String[Start]=='\t' )
		++Start;
	char *CodeStr = _strdup(_String+Start);
	for( size_t i=strlen(CodeStr)-1; i>=0; ++i )
		if( CodeStr[i]==' ' || CodeStr[i]=='\t' )
			CodeStr[i] = '\0';
		else
			break;

	/*
	if( strstr(_String, "SHIFT")!=NULL || strstr(_String, "shift")!=NULL )
		*_Modif |= TW_KMOD_SHIFT;
	if( strstr(_String, "CTRL")!=NULL || strstr(_String, "ctrl")!=NULL )
		*_Modif |= TW_KMOD_CTRL;
	if( strstr(_String, "META")!=NULL || strstr(_String, "meta")!=NULL )
		*_Modif |= TW_KMOD_META;

	if( strstr(_String, "ALTGR")!=NULL || strstr(_String, "altgr")!=NULL )
		((void)(0));	// *_Modif |= TW_KMOD_ALTGR;
	else // ALT and ALTGR are exclusive
		if( strstr(_String, "ALT")!=NULL || strstr(_String, "alt")!=NULL )
			*_Modif |= TW_KMOD_ALT;
	*/
	char *up = _strdup(_String);
	// _strupr(up);
	for( char *upch=up; *upch!='\0'; ++upch )
		*upch = (char)toupper(*upch);
	if( strstr(up, "SHIFT")!=NULL )
		*_Modif |= TW_KMOD_SHIFT;
	if( strstr(up, "CTRL")!=NULL )
		*_Modif |= TW_KMOD_CTRL;
	if( strstr(up, "META")!=NULL )
		*_Modif |= TW_KMOD_META;

	if( strstr(up, "ALTGR")!=NULL )
		((void)(0));	// *_Modif |= TW_KMOD_ALTGR;
	else // ALT and ALTGR are exclusive
		if( strstr(up, "ALT")!=NULL )
			*_Modif |= TW_KMOD_ALT;
	free(up);

	if( strlen(CodeStr)==1 )
		*_Code = (unsigned char)(CodeStr[0]);
	else if( _stricmp(CodeStr, "backspace")==0 || _stricmp(CodeStr, "bs")==0 )
		*_Code = TW_KEY_BACKSPACE;
	else if( _stricmp(CodeStr, "tab")==0 )
		*_Code = TW_KEY_TAB;
	else if( _stricmp(CodeStr, "clear")==0 || _stricmp(CodeStr, "clr")==0 )
		*_Code = TW_KEY_CLEAR;
	else if( _stricmp(CodeStr, "return")==0 || _stricmp(CodeStr, "ret")==0 )
		*_Code = TW_KEY_RETURN;
	else if( _stricmp(CodeStr, "pause")==0 )
		*_Code = TW_KEY_PAUSE;
	else if( _stricmp(CodeStr, "escape")==0 || _stricmp(CodeStr, "esc")==0 )
		*_Code = TW_KEY_ESCAPE;
	else if( _stricmp(CodeStr, "space")==0 )
		*_Code = TW_KEY_SPACE;
	else if( _stricmp(CodeStr, "delete")==0 || _stricmp(CodeStr, "del")==0 )
		*_Code = TW_KEY_DELETE;
	/*
	else if( strlen(CodeStr)==4 && CodeStr[3]>='0' && CodeStr[3]<='9' && (strstr(CodeStr, "pad")==CodeStr || strstr(CodeStr, "PAD")==CodeStr) )
		*_Code = TW_KEY_PAD_0 + CodeStr[3]-'0';
	else if( _stricmp(CodeStr, "pad.")==0 )
		*_Code = TW_KEY_PAD_PERIOD;
	else if( _stricmp(CodeStr, "pad/")==0 )
		*_Code = TW_KEY_PAD_DIVIDE;
	else if( _stricmp(CodeStr, "pad*")==0 )
		*_Code = TW_KEY_PAD_MULTIPLY;
	else if( _stricmp(CodeStr, "pad+")==0 )
		*_Code = TW_KEY_PAD_PLUS;
	else if( _stricmp(CodeStr, "pad-")==0 )
		*_Code = TW_KEY_PAD_MINUS;
	else if( _stricmp(CodeStr, "padenter")==0 )
		*_Code = TW_KEY_PAD_ENTER;
	else if( _stricmp(CodeStr, "pad=")==0 )
		*_Code = TW_KEY_PAD_EQUALS;
	*/
	else if( _stricmp(CodeStr, "up")==0 )
		*_Code = TW_KEY_UP;
	else if( _stricmp(CodeStr, "down")==0 )
		*_Code = TW_KEY_DOWN;
	else if( _stricmp(CodeStr, "right")==0 )
		*_Code = TW_KEY_RIGHT;
	else if( _stricmp(CodeStr, "left")==0 )
		*_Code = TW_KEY_LEFT;
	else if( _stricmp(CodeStr, "insert")==0 || _stricmp(CodeStr, "ins")==0 )
		*_Code = TW_KEY_INSERT;
	else if( _stricmp(CodeStr, "home")==0 )
		*_Code = TW_KEY_HOME;
	else if( _stricmp(CodeStr, "end")==0 )
		*_Code = TW_KEY_END;
	else if( _stricmp(CodeStr, "pgup")==0 )
		*_Code = TW_KEY_PAGE_UP;
	else if( _stricmp(CodeStr, "pgdown")==0 )
		*_Code = TW_KEY_PAGE_DOWN;
	else if( (strlen(CodeStr)==2 || strlen(CodeStr)==3) && (CodeStr[0]=='f' || CodeStr[0]=='F') )
	{
		int n = 0;
		if( sscanf(CodeStr+1, "%d", &n)==1 && n>0 && n<16 )
			*_Code = TW_KEY_F1 + n-1;
		else
			Ok = false;
	}

	free(CodeStr);
	return Ok;
}

bool TwGetKeyString(std::string *_String, int _Code, int _Modif)
{
	assert(_String!=NULL);
	bool Ok = true;
	if( _Modif & TW_KMOD_SHIFT )
		*_String += "SHIFT+";
	if( _Modif & TW_KMOD_CTRL )
		*_String += "CTRL+";
	if ( _Modif & TW_KMOD_ALT )
		*_String += "ALT+";
	if ( _Modif & TW_KMOD_META )
		*_String += "META+";
	// if ( _Modif & TW_KMOD_ALTGR )
	//	*_String += "ALTGR+";
	switch( _Code )
	{
	case TW_KEY_BACKSPACE:
		*_String += "BackSpace";
		break;
	case TW_KEY_TAB:
		*_String += "Tab";
		break;
	case TW_KEY_CLEAR:
		*_String += "Clear";
		break;
	case TW_KEY_RETURN:
		*_String += "Return";
		break;
	case TW_KEY_PAUSE:
		*_String += "Pause";
		break;
	case TW_KEY_ESCAPE:
		*_String += "Esc";
		break;
	case TW_KEY_SPACE:
		*_String += "Space";
		break;
	case TW_KEY_DELETE:
		*_String += "Delete";
		break;
	/*
	case TW_KEY_PAD_0:
		*_String += "PAD0";
		break;
	case TW_KEY_PAD_1:
		*_String += "PAD1";
		break;
	case TW_KEY_PAD_2:
		*_String += "PAD2";
		break;
	case TW_KEY_PAD_3:
		*_String += "PAD3";
		break;
	case TW_KEY_PAD_4:
		*_String += "PAD4";
		break;
	case TW_KEY_PAD_5:
		*_String += "PAD5";
		break;
	case TW_KEY_PAD_6:
		*_String += "PAD6";
		break;
	case TW_KEY_PAD_7:
		*_String += "PAD7";
		break;
	case TW_KEY_PAD_8:
		*_String += "PAD8";
		break;
	case TW_KEY_PAD_9:
		*_String += "PAD9";
		break;
	case TW_KEY_PAD_PERIOD:
		*_String += "PAD.";
		break;
	case TW_KEY_PAD_DIVIDE:
		*_String += "PAD/";
		break;
	case TW_KEY_PAD_MULTIPLY:
		*_String += "PAD*";
		break;
	case TW_KEY_PAD_MINUS:
		*_String += "PAD-";
		break;
	case TW_KEY_PAD_PLUS:
		*_String += "PAD+";
		break;
	case TW_KEY_PAD_ENTER:
		*_String += "PADEnter";
		break;
	case TW_KEY_PAD_EQUALS:
		*_String += "PAD=";
		break;
	*/
	case TW_KEY_UP:
		*_String += "Up";
		break;
	case TW_KEY_DOWN:
		*_String += "Down";
		break;
	case TW_KEY_RIGHT:
		*_String += "Right";
		break;
	case TW_KEY_LEFT:
		*_String += "Left";
		break;
	case TW_KEY_INSERT:
		*_String += "Insert";
		break;
	case TW_KEY_HOME:
		*_String += "Home";
		break;
	case TW_KEY_END:
		*_String += "End";
		break;
	case TW_KEY_PAGE_UP:
		*_String += "PgUp";
		break;
	case TW_KEY_PAGE_DOWN:
		*_String += "PgDown";
		break;
	case TW_KEY_F1:
		*_String += "F1";
		break;
	case TW_KEY_F2:
		*_String += "F2";
		break;
	case TW_KEY_F3:
		*_String += "F3";
		break;
	case TW_KEY_F4:
		*_String += "F4";
		break;
	case TW_KEY_F5:
		*_String += "F5";
		break;
	case TW_KEY_F6:
		*_String += "F6";
		break;
	case TW_KEY_F7:
		*_String += "F7";
		break;
	case TW_KEY_F8:
		*_String += "F8";
		break;
	case TW_KEY_F9:
		*_String += "F9";
		break;
	case TW_KEY_F10:
		*_String += "F10";
		break;
	case TW_KEY_F11:
		*_String += "F11";
		break;
	case TW_KEY_F12:
		*_String += "F12";
		break;
	case TW_KEY_F13:
		*_String += "F13";
		break;
	case TW_KEY_F14:
		*_String += "F14";
		break;
	case TW_KEY_F15:
		*_String += "F15";
		break;
	default:
		if( _Code>0 && _Code<256 )
			*_String += char(_Code);
		else
		{
			*_String += "Unknown";
			Ok = false;
		}
	}
	return Ok;
}

//	---------------------------------------------------------------------------

const int		 TW_MOUSE_NOMOTION = -1;
ETwMouseAction	 TW_MOUSE_MOTION = (ETwMouseAction)(-2);
ETwMouseAction	 TW_MOUSE_WHEEL = (ETwMouseAction)(-3);
ETwMouseButtonID TW_MOUSE_NA = (ETwMouseButtonID)(-1);

static int TwMouseEvent(ETwMouseAction _EventType, TwMouseButtonID _Button, int _MouseX, int _MouseY, int _WheelPos)
{
	using AntTweakBar::CTwBar;

	CTwFPU fpu; // force fpu precision

	if( g_TwMgr==NULL || g_TwMgr->m_Graph==NULL )
	{
		// TwGlobalError(g_ErrNotInit); -> not an error here
		return 0; // not initialized
	}
	if( g_TwMgr->m_WndHeight<=0 || g_TwMgr->m_WndWidth<=0 )
	{
		//g_TwMgr->SetLastError(g_ErrBadWndSize);	// not an error, windows not yet ready.
		return 0;
	}

	// For multi-thread safety
	if( !TwFreeAsyncDrawing() )
		return 0;

	if( _MouseX==TW_MOUSE_NOMOTION )
		_MouseX = g_TwMgr->m_LastMouseX;
	else
		g_TwMgr->m_LastMouseX = _MouseX;
	if( _MouseY==TW_MOUSE_NOMOTION )
		_MouseY = g_TwMgr->m_LastMouseY;
	else
		g_TwMgr->m_LastMouseY = _MouseY;

	// for autorepeat
	if( (!g_TwMgr->m_IsRepeatingMousePressed || !g_TwMgr->m_CanRepeatMousePressed) && _EventType==TW_MOUSE_PRESSED )
	{
		g_TwMgr->m_LastMousePressedTime = g_TwMgr->m_Timer.GetTime();
		g_TwMgr->m_LastMousePressedButtonID = _Button;
		g_TwMgr->m_LastMousePressedPosition[0] = _MouseX;
		g_TwMgr->m_LastMousePressedPosition[1] = _MouseY;
		g_TwMgr->m_CanRepeatMousePressed = true;
		g_TwMgr->m_IsRepeatingMousePressed = false;
	}
	else if( _EventType==TW_MOUSE_RELEASED || _EventType==TW_MOUSE_WHEEL )
	{
		g_TwMgr->m_CanRepeatMousePressed = false;
		g_TwMgr->m_IsRepeatingMousePressed = false;
	}

	bool Handled = false;
	bool wasPopup = (g_TwMgr->m_PopupBar!=NULL);
	CTwBar *Bar = NULL;
	int i;

	// search for a bar with mousedrag enabled
	CTwBar *BarDragging = NULL;
	for( i=((int)g_TwMgr->m_Bars.size())-1; i>=0; --i )
	{
		Bar = g_TwMgr->m_Bars[g_TwMgr->m_Order[i]];
		if( Bar!=NULL && Bar->m_Visible && Bar->IsDragging() )
		{
			BarDragging = Bar;
			break;
		}
	}

	for( i=(int)g_TwMgr->m_Bars.size(); i>=0; --i )
	{
		if( i==(int)g_TwMgr->m_Bars.size() )	// first try the bar with mousedrag enabled (this bar has the focus)
			Bar = BarDragging;
		else
		{
			Bar = g_TwMgr->m_Bars[g_TwMgr->m_Order[i]];
			if( Bar==BarDragging )
				continue;
		}
		if( Bar!=NULL && Bar->m_Visible )
		{
			if( _EventType==TW_MOUSE_MOTION )
				Handled = Bar->MouseMotion(_MouseX, _MouseY);
			else if( _EventType==TW_MOUSE_PRESSED || _EventType==TW_MOUSE_RELEASED )
				Handled = Bar->MouseButton(_Button, (_EventType==TW_MOUSE_PRESSED), _MouseX, _MouseY);
			else if( _EventType==TW_MOUSE_WHEEL )
			{
				if( abs(_WheelPos-g_TwMgr->m_LastMouseWheelPos)<4 ) // avoid crazy wheel positions
					Handled = Bar->MouseWheel(_WheelPos, g_TwMgr->m_LastMouseWheelPos, _MouseX, _MouseY);
			}
			if( Handled )
				break;
		}
	}

	if( g_TwMgr==NULL ) // Mgr might have been destroyed by the client inside a callback call
		return 1;

	bool barExists = false;
	for( i=((int)g_TwMgr->m_Bars.size())-1; i>=0; --i )
		if( Bar==g_TwMgr->m_Bars[i] )
		{
			barExists = true;
			break;
		}

	if( !barExists ) Bar = NULL;

	/*
	if( i>=0 && Bar!=NULL && Handled && (_EventType==TW_MOUSE_PRESSED || Bar->IsMinimized()) && i!=((int)g_TwMgr->m_Bars.size())-1 )
	{
		int iOrder = g_TwMgr->m_Order[i];
		for( int j=i; j<(int)g_TwMgr->m_Bars.size()-1; ++j )
			g_TwMgr->m_Order[j] = g_TwMgr->m_Order[j+1];
		g_TwMgr->m_Order[(int)g_TwMgr->m_Bars.size()-1] = iOrder;
	}
	*/

	if( _EventType==TW_MOUSE_PRESSED || (Bar!=NULL && Bar->IsMinimized() && Handled) )
	{
		if( wasPopup && Bar!=g_TwMgr->m_PopupBar && g_TwMgr->m_PopupBar!=NULL )
		{
			// Click onto something not the popup
			TwDeleteBar(g_TwMgr->m_PopupBar);
			g_TwMgr->m_PopupBar = NULL;
		}

		if( i>=0 && Bar!=NULL && Handled && !wasPopup )
			TwSetTopBar(Bar);
	}

	if( _EventType==TW_MOUSE_WHEEL )
		g_TwMgr->m_LastMouseWheelPos = _WheelPos;

	return Handled ? 1 : 0;
}

} // namespace AntTweakBar

int ANT_CALL TwMouseButton(ETwMouseAction _EventType, TwMouseButtonID _Button)
{
	return TwMouseEvent(_EventType, _Button, TW_MOUSE_NOMOTION, TW_MOUSE_NOMOTION, 0);
}

int ANT_CALL TwMouseMotion(int _MouseX, int _MouseY)
{
	return TwMouseEvent(TW_MOUSE_MOTION, TW_MOUSE_NA, _MouseX, _MouseY, 0);
}

int ANT_CALL TwMouseWheel(int _Pos)
{
	return TwMouseEvent(TW_MOUSE_WHEEL, TW_MOUSE_NA, TW_MOUSE_NOMOTION, TW_MOUSE_NOMOTION, _Pos);
}

//	---------------------------------------------------------------------------

static int TranslateKey(int _Key, int _Modifiers)
{
	// CTRL special cases
	//if( (_Modifiers&TW_KMOD_CTRL) && !(_Modifiers&TW_KMOD_ALT || _Modifiers&TW_KMOD_META) && _Key>0 && _Key<32 )
	//	_Key += 'a'-1;
	if( (_Modifiers&TW_KMOD_CTRL) )
	{
		if( _Key>='a' && _Key<='z' && ( ((_Modifiers&0x2000) && !(_Modifiers&TW_KMOD_SHIFT)) || (!(_Modifiers&0x2000) && (_Modifiers&TW_KMOD_SHIFT)) )) // 0x2000 is SDL's KMOD_CAPS
			_Key += 'A'-'a';
		else if ( _Key>='A' && _Key<='Z' && ( ((_Modifiers&0x2000) && (_Modifiers&TW_KMOD_SHIFT)) || (!(_Modifiers&0x2000) && !(_Modifiers&TW_KMOD_SHIFT)) )) // 0x2000 is SDL's KMOD_CAPS
			_Key += 'a'-'A';
	}

	// PAD translation (for SDL keysym)
	if( _Key>=256 && _Key<=272 ) // 256=SDLK_KP0 ... 272=SDLK_KP_EQUALS
	{
		//bool Num = ((_Modifiers&TW_KMOD_SHIFT) && !(_Modifiers&0x1000)) || (!(_Modifiers&TW_KMOD_SHIFT) && (_Modifiers&0x1000)); // 0x1000 is SDL's KMOD_NUM
		//_Modifiers &= ~TW_KMOD_SHIFT; // remove shift modifier
		bool Num = (!(_Modifiers&TW_KMOD_SHIFT) && (_Modifiers&0x1000)); // 0x1000 is SDL's KMOD_NUM
		if( _Key==266 )			 // SDLK_KP_PERIOD
			_Key = Num ? '.' : TW_KEY_DELETE;
		else if( _Key==267 )	 // SDLK_KP_DIVIDE
			_Key = '/';
		else if( _Key==268 )	 // SDLK_KP_MULTIPLY
			_Key = '*';
		else if( _Key==269 )	 // SDLK_KP_MINUS
			_Key = '-';
		else if( _Key==270 )	 // SDLK_KP_PLUS
			_Key = '+';
		else if( _Key==271 )	 // SDLK_KP_ENTER
			_Key = TW_KEY_RETURN;
		else if( _Key==272 )	 // SDLK_KP_EQUALS
			_Key = '=';
		else if( Num )			 // num SDLK_KP0..9
			_Key += '0' - 256;
		else if( _Key==256 )	 // non-num SDLK_KP01
			_Key = TW_KEY_INSERT;
		else if( _Key==257 )	 // non-num SDLK_KP1
			_Key = TW_KEY_END;
		else if( _Key==258 )	 // non-num SDLK_KP2
			_Key = TW_KEY_DOWN;
		else if( _Key==259 )	 // non-num SDLK_KP3
			_Key = TW_KEY_PAGE_DOWN;
		else if( _Key==260 )	 // non-num SDLK_KP4
			_Key = TW_KEY_LEFT;
		else if( _Key==262 )	 // non-num SDLK_KP6
			_Key = TW_KEY_RIGHT;
		else if( _Key==263 )	 // non-num SDLK_KP7
			_Key = TW_KEY_HOME;
		else if( _Key==264 )	 // non-num SDLK_KP8
			_Key = TW_KEY_UP;
		else if( _Key==265 )	 // non-num SDLK_KP9
			_Key = TW_KEY_PAGE_UP;
	}
	return _Key;
}

//	---------------------------------------------------------------------------

static int KeyPressed(int _Key, int _Modifiers, bool _TestOnly)
{
	using AntTweakBar::CTwBar;

	CTwFPU fpu; // force fpu precision

	if( g_TwMgr==NULL || g_TwMgr->m_Graph==NULL )
	{
		// TwGlobalError(g_ErrNotInit); -> not an error here
		return 0; // not initialized
	}
	if( g_TwMgr->m_WndHeight<=0 || g_TwMgr->m_WndWidth<=0 )
	{
		//g_TwMgr->SetLastError(g_ErrBadWndSize);	// not an error, windows not yet ready.
		return 0;
	}

	// For multi-thread savety
	if( !TwFreeAsyncDrawing() )
		return 0;

	/*
	// Test for TwDeleteBar
	if( _Key>='0' && _Key<='9' )
	{
		int n = _Key-'0';
		if( (int)g_TwMgr->m_Bars.size()>n && g_TwMgr->m_Bars[n]!=NULL )
		{
			printf("Delete %s\n", g_TwMgr->m_Bars[n]->m_Name.c_str());
			TwDeleteBar(g_TwMgr->m_Bars[n]);
		}
		else
			printf("can't delete %d\n", n);
		return 1;
	}
	*/

	//char s[256];
	//sprintf(s, "twkeypressed k=%d m=%x\n", _Key, _Modifiers);
	//OutputDebugString(s);

	_Key = TranslateKey(_Key, _Modifiers);
	if( _Key>' ' && _Key<256 ) // don't test SHIFT if _Key is a common key
		_Modifiers &= ~TW_KMOD_SHIFT;
	// complete partial modifiers comming from SDL
	if( _Modifiers & TW_KMOD_SHIFT )
		_Modifiers |= TW_KMOD_SHIFT;
	if( _Modifiers & TW_KMOD_CTRL )
		_Modifiers |= TW_KMOD_CTRL;
	if( _Modifiers & TW_KMOD_ALT )
		_Modifiers |= TW_KMOD_ALT;
	if( _Modifiers & TW_KMOD_META )
		_Modifiers |= TW_KMOD_META;

	bool Handled = false;
	CTwBar *Bar = NULL;
	CTwBar *PopupBar = g_TwMgr->m_PopupBar;
	//int Order = 0;
	int i;
	if( _Key>0 && _Key<TW_KEY_LAST )
	{
		// First send it to bar which includes the mouse pointer
		int MouseX = g_TwMgr->m_LastMouseX;
		int MouseY = g_TwMgr->m_LastMouseY;
		for( i=((int)g_TwMgr->m_Bars.size())-1; i>=0 && !Handled; --i )
		{
			Bar = g_TwMgr->m_Bars[g_TwMgr->m_Order[i]];
			if( Bar!=NULL && Bar->m_Visible && !Bar->IsMinimized()
				&& ( (MouseX>=Bar->m_PosX && MouseX<Bar->m_PosX+Bar->m_Width && MouseY>=Bar->m_PosY && MouseY<Bar->m_PosY+Bar->m_Height)
					 || Bar==PopupBar) )
			{
				if (_TestOnly)
					Handled = Bar->KeyTest(_Key, _Modifiers);
				else
					Handled = Bar->KeyPressed(_Key, _Modifiers);
			}
		}

		// If not handled, send it to non-iconified bars in the right order
		for( i=((int)g_TwMgr->m_Bars.size())-1; i>=0 && !Handled; --i )
		{
			Bar = g_TwMgr->m_Bars[g_TwMgr->m_Order[i]];
			/*
			for( size_t j=0; j<g_TwMgr->m_Bars.size(); ++j )
				if( g_TwMgr->m_Order[j]==i )
				{
					Bar = g_TwMgr->m_Bars[j];
					break;
				}
			Order = i;
			*/

			if( Bar!=NULL && Bar->m_Visible && !Bar->IsMinimized() )
			{
				if( _TestOnly )
					Handled = Bar->KeyTest(_Key, _Modifiers);
				else
					Handled = Bar->KeyPressed(_Key, _Modifiers);
				if( g_TwMgr==NULL ) // Mgr might have been destroyed by the client inside a callback call
					return 1;
			}
		}

		// If not handled, send it to iconified bars in the right order
		for( i=((int)g_TwMgr->m_Bars.size())-1; i>=0 && !Handled; --i )
		{
			Bar = g_TwMgr->m_Bars[g_TwMgr->m_Order[i]];
			if( Bar!=NULL && Bar->m_Visible && Bar->IsMinimized() )
			{
				if( _TestOnly )
					Handled = Bar->KeyTest(_Key, _Modifiers);
				else
					Handled = Bar->KeyPressed(_Key, _Modifiers);
			}
		}

		if( g_TwMgr->m_HelpBar!=NULL && g_TwMgr->m_Graph && !_TestOnly )
		{
			string Str;
			TwGetKeyString(&Str, _Key, _Modifiers);
			char Msg[256];
			sprintf(Msg, "Key pressed: %s", Str.c_str());
			g_TwMgr->m_KeyPressedStr = Msg;
			g_TwMgr->m_KeyPressedBuildText = true;
			// OutputDebugString(Msg);
		}
	}

	if( Handled && Bar!=g_TwMgr->m_PopupBar && g_TwMgr->m_PopupBar!=NULL && g_TwMgr->m_PopupBar==PopupBar )  // delete popup
	{
		TwDeleteBar(g_TwMgr->m_PopupBar);
		g_TwMgr->m_PopupBar = NULL;
	}

	if( Handled && Bar!=NULL && Bar!=g_TwMgr->m_PopupBar && Bar!=PopupBar ) // popup bar may have been destroyed
		TwSetTopBar(Bar);

	return Handled ? 1 : 0;
}

int ANT_CALL TwKeyPressed(int _Key, int _Modifiers)
{
	return KeyPressed(_Key, _Modifiers, false);
}

int ANT_CALL TwKeyTest(int _Key, int _Modifiers)
{
	return KeyPressed(_Key, _Modifiers, true);
}

//	---------------------------------------------------------------------------

namespace AntTweakBar {

struct StructCompare : public binary_function<TwType, TwType, bool>
{
	bool operator()(const TwType& _Left, const TwType& _Right) const
	{
		assert( g_TwMgr!=NULL );
		int i0 = _Left-TW_TYPE_STRUCT_BASE;
		int i1 = _Right-TW_TYPE_STRUCT_BASE;
		if( i0>=0 && i0<(int)g_TwMgr->m_Structs.size() && i1>=0 && i1<(int)g_TwMgr->m_Structs.size() )
			return g_TwMgr->m_Structs[i0].m_Name < g_TwMgr->m_Structs[i1].m_Name;
		else
			return false;
	}
};

typedef set<TwType, StructCompare> StructSet;

static void InsertUsedStructs(StructSet& _Set, const CTwVarGroup *_Grp)
{
	assert( g_TwMgr!=NULL && _Grp!=NULL );

	for( size_t i=0; i<_Grp->m_Vars.size(); ++i )
		if( _Grp->m_Vars[i]!=NULL && _Grp->m_Vars[i]->m_Visible && _Grp->m_Vars[i]->IsGroup() )// && _Grp->m_Vars[i]->m_Help.length()>0 )
		{
			const CTwVarGroup *SubGrp = static_cast<const CTwVarGroup *>(_Grp->m_Vars[i]);
			if( SubGrp->m_StructValuePtr!=NULL && SubGrp->m_StructType>=TW_TYPE_STRUCT_BASE && SubGrp->m_StructType<TW_TYPE_STRUCT_BASE+(int)g_TwMgr->m_Structs.size() && g_TwMgr->m_Structs[SubGrp->m_StructType-TW_TYPE_STRUCT_BASE].m_Name.length()>0 )
			{
				if( SubGrp->m_Help.length()>0 )
					_Set.insert(SubGrp->m_StructType);
				else
				{
					int idx = SubGrp->m_StructType - TW_TYPE_STRUCT_BASE;
					if( idx>=0 && idx<(int)g_TwMgr->m_Structs.size() && g_TwMgr->m_Structs[idx].m_Name.length()>0 )
					{
						for( size_t j=0; j<g_TwMgr->m_Structs[idx].m_Members.size(); ++j )
							if( g_TwMgr->m_Structs[idx].m_Members[j].m_Help.length()>0 )
							{
								_Set.insert(SubGrp->m_StructType);
								break;
							}
					}
				}
			}
			InsertUsedStructs(_Set, SubGrp);
		}
}

static void SplitString(vector<string>& _OutSplits, const char *_String, int _Width, const CTexFont *_Font)
{
	assert( _Font!=NULL && _String!=NULL );
	_OutSplits.resize(0);
	int l = (int)strlen(_String);
	if( l==0 )
	{
		_String = " ";
		l = 1;
	}

	if( _String!=NULL && l>0 && _Width>0 )
	{
		int w = 0;
		int i = 0;
		int First = 0;
		int Last = 0;
		bool PrevNotBlank = true;
		unsigned char c;
		bool Tab = false, CR = false;
		string Split;
		const string TabString(g_TabLength, ' ');

		while( i<l )
		{
			c = _String[i];
			if( c=='\t' )
			{
				w += g_TabLength * _Font->m_CharWidth[(int)' '];
				Tab = true;
			}
			else if( c=='\n' )
			{
				w += _Width+1; // force split
				Last = i;
				CR = true;
			}
			else
				w += _Font->m_CharWidth[(int)c];
			if( w>_Width || i==l-1 )
			{
				if( Last<=First || i==l-1 )
					Last = i;
				if( Tab )
				{
					Split.resize(0);
					for(int k=0; k<Last-First+(CR?0:1); ++k)
						if( _String[First+k]=='\t' )
							Split += TabString;
						else
							Split += _String[First+k];
					Tab = false;
				}
				else
					Split.assign(_String+First, Last-First+(CR?0:1));
				_OutSplits.push_back(Split);
				First = Last+1;
				if( !CR )
					while( First<l && (_String[First]==' ' || _String[First]=='\t') )	// skip blanks
						++First;
				Last = First;
				w = 0;
				PrevNotBlank = true;
				i = First;
				CR = false;
			}
			else if( c==' ' || c=='\t' )
			{
				if( PrevNotBlank )
					Last = i-1;
				PrevNotBlank = false;
				++i;
			}
			else
			{
				PrevNotBlank = true;
				++i;
			}
		}
	}
}

static int AppendHelpString(CTwVarGroup *_Grp, const char *_String, int _Level, int _Width, ETwType _Type)
{
	assert( _Grp!=NULL && g_TwMgr!=NULL && g_TwMgr->m_HelpBar!=NULL);
	assert( _String!=NULL );
	int n = 0;
	const CTexFont *Font = g_TwMgr->m_HelpBar->m_Font;
	assert(Font!=NULL);
	string Decal;
	for( int s=0; s<_Level; ++s )
		Decal += ' ';
	int DecalWidth = (_Level+2)*Font->m_CharWidth[(int)' '];

	if( _Width>DecalWidth )
	{
		vector<string> Split;
		SplitString(Split, _String, _Width-DecalWidth, Font);
		for( int i=0; i<(int)Split.size(); ++i )
		{
			CTwVarAtom *Var = new CTwVarAtom;
			Var->m_Name = Decal + Split[i];
			Var->m_Ptr = NULL;
			if( _Type==TW_TYPE_HELP_HEADER )
				Var->m_ReadOnly = false;
			else
				Var->m_ReadOnly = true;
			Var->m_NoSlider = true;
			Var->m_DontClip = true;
			Var->m_Type = _Type;
			Var->m_LeftMargin = (signed short)((_Level+1)*Font->m_CharWidth[(int)' ']);
			Var->m_TopMargin  = (signed short)(-g_TwMgr->m_HelpBar->m_Sep);
			//Var->m_TopMargin	= 1;
			Var->m_ColorPtr = &(g_TwMgr->m_HelpBar->m_ColHelpText);
			Var->SetDefaults();
			_Grp->m_Vars.push_back(Var);
			++n;
		}
	}
	return n;
}

static int AppendHelp(CTwVarGroup *_Grp, const CTwVarGroup *_ToAppend, int _Level, int _Width)
{
	assert( _Grp!=NULL );
	assert( _ToAppend!=NULL );
	int n = 0;
	string Decal;
	for( int s=0; s<_Level; ++s )
		Decal += ' ';

	if( _ToAppend->m_Help.size()>0 )
		n += AppendHelpString(_Grp, _ToAppend->m_Help.c_str(), _Level, _Width, TW_TYPE_HELP_GRP);

	for( size_t i=0; i<_ToAppend->m_Vars.size(); ++i )
		if( _ToAppend->m_Vars[i]!=NULL && _ToAppend->m_Vars[i]->m_Visible )
		{
			bool append = true;
			if( !_ToAppend->m_Vars[i]->IsGroup() )
			{
				const CTwVarAtom *a = static_cast<const CTwVarAtom *>(_ToAppend->m_Vars[i]);
				if( a->m_Type==TW_TYPE_BUTTON && a->m_Val.m_Button.m_Callback==NULL )
					append = false;
				else if( a->m_KeyIncr[0]==0 && a->m_KeyIncr[1]==0 && a->m_KeyDecr[0]==0 && a->m_KeyDecr[1]==0 && a->m_Help.length()<=0 )
					append = false;
			}
			else if( _ToAppend->m_Vars[i]->IsGroup() && static_cast<const CTwVarGroup *>(_ToAppend->m_Vars[i])->m_StructValuePtr!=NULL // that's a struct var
					 && _ToAppend->m_Vars[i]->m_Help.length()<=0 )
				 append = false;

			if( append )
			{
				CTwVarAtom *Var = new CTwVarAtom;
				Var->m_Name = Decal;
				if( _ToAppend->m_Vars[i]->m_Label.size()>0 )
					Var->m_Name += _ToAppend->m_Vars[i]->m_Label;
				else
					Var->m_Name += _ToAppend->m_Vars[i]->m_Name;
				Var->m_Ptr = NULL;
				if( _ToAppend->m_Vars[i]->IsGroup() && static_cast<const CTwVarGroup *>(_ToAppend->m_Vars[i])->m_StructValuePtr!=NULL )
				{	// That's a struct var
					Var->m_Type = TW_TYPE_HELP_STRUCT;
					Var->m_Val.m_HelpStruct.m_StructType = static_cast<const CTwVarGroup *>(_ToAppend->m_Vars[i])->m_StructType;
					Var->m_ReadOnly = true;
					Var->m_NoSlider = true;
				}
				else if( !_ToAppend->m_Vars[i]->IsGroup() )
				{
					Var->m_Type = TW_TYPE_SHORTCUT;
					Var->m_Val.m_Shortcut.m_Incr[0] = static_cast<const CTwVarAtom *>(_ToAppend->m_Vars[i])->m_KeyIncr[0];
					Var->m_Val.m_Shortcut.m_Incr[1] = static_cast<const CTwVarAtom *>(_ToAppend->m_Vars[i])->m_KeyIncr[1];
					Var->m_Val.m_Shortcut.m_Decr[0] = static_cast<const CTwVarAtom *>(_ToAppend->m_Vars[i])->m_KeyDecr[0];
					Var->m_Val.m_Shortcut.m_Decr[1] = static_cast<const CTwVarAtom *>(_ToAppend->m_Vars[i])->m_KeyDecr[1];
					Var->m_ReadOnly = static_cast<const CTwVarAtom *>(_ToAppend->m_Vars[i])->m_ReadOnly;
					Var->m_NoSlider = true;
				}
				else
				{
					Var->m_Type = TW_TYPE_HELP_GRP;
					Var->m_DontClip = true;
					Var->m_LeftMargin = (signed short)((_Level+2)*g_TwMgr->m_HelpBar->m_Font->m_CharWidth[(int)' ']);
					//Var->m_TopMargin	= (signed short)(g_TwMgr->m_HelpBar->m_Font->m_CharHeight/2-2+2*(_Level-1));
					Var->m_TopMargin  = 2;
					if( Var->m_TopMargin>g_TwMgr->m_HelpBar->m_Font->m_CharHeight-3 )
						Var->m_TopMargin = (signed short)(g_TwMgr->m_HelpBar->m_Font->m_CharHeight-3);
					Var->m_ReadOnly = true;
				}
				Var->SetDefaults();
				_Grp->m_Vars.push_back(Var);
				size_t VarIndex = _Grp->m_Vars.size()-1;
				++n;
				if( _ToAppend->m_Vars[i]->IsGroup() && static_cast<const CTwVarGroup *>(_ToAppend->m_Vars[i])->m_StructValuePtr==NULL )
				{
					int nAppended = AppendHelp(_Grp, static_cast<const CTwVarGroup *>(_ToAppend->m_Vars[i]), _Level+1, _Width);
					if( _Grp->m_Vars.size()==VarIndex+1 )
					{
						delete _Grp->m_Vars[VarIndex];
						_Grp->m_Vars.resize(VarIndex);
					}
					else
						n += nAppended;
				}
				else if( _ToAppend->m_Vars[i]->m_Help.length()>0 )
					n += AppendHelpString(_Grp, _ToAppend->m_Vars[i]->m_Help.c_str(), _Level+1, _Width, TW_TYPE_HELP_ATOM);
			}
		}
	return n;
}


static void CopyHierarchy(CTwVarGroup *dst, const CTwVarGroup *src)
{
	if( dst==NULL || src==NULL )
		return;

	dst->m_Name = src->m_Name;
	dst->m_Open = src->m_Open;
	dst->m_Visible = src->m_Visible;
	dst->m_ColorPtr = src->m_ColorPtr;
	dst->m_DontClip = src->m_DontClip;
	dst->m_IsRoot = src->m_IsRoot;
	dst->m_LeftMargin = src->m_LeftMargin;
	dst->m_TopMargin = src->m_TopMargin;

	dst->m_Vars.resize(src->m_Vars.size());
	for(size_t i=0; i<src->m_Vars.size(); ++i)
		if( src->m_Vars[i]!=NULL && src->m_Vars[i]->IsGroup() )
		{
			CTwVarGroup *grp = new CTwVarGroup;
			CopyHierarchy(grp, static_cast<const CTwVarGroup *>(src->m_Vars[i]));
			dst->m_Vars[i] = grp;
		}
		else
			dst->m_Vars[i] = NULL;
}

// copy the 'open' flag from original hierarchy to current hierarchy
static void SynchroHierarchy(CTwVarGroup *cur, const CTwVarGroup *orig)
{
	if( cur==NULL || orig==NULL )
		return;

	if( strcmp(cur->m_Name.c_str(), orig->m_Name.c_str())==0 )
		cur->m_Open = orig->m_Open;

	size_t j = 0;
	while( j<orig->m_Vars.size() && (orig->m_Vars[j]==NULL || !orig->m_Vars[j]->IsGroup()) )
		++j;

	for(size_t i=0; i<cur->m_Vars.size(); ++i)
		if( cur->m_Vars[i]!=NULL && cur->m_Vars[i]->IsGroup() && j<orig->m_Vars.size() && orig->m_Vars[j]!=NULL && orig->m_Vars[j]->IsGroup() )
		{
			CTwVarGroup *curGrp = static_cast<CTwVarGroup *>(cur->m_Vars[i]);
			const CTwVarGroup *origGrp = static_cast<const CTwVarGroup *>(orig->m_Vars[j]);
			if( strcmp(curGrp->m_Name.c_str(), origGrp->m_Name.c_str())==0 )
			{
				curGrp->m_Open = origGrp->m_Open;

				SynchroHierarchy(curGrp, origGrp);

				++j;
				while( j<orig->m_Vars.size() && (orig->m_Vars[j]==NULL || !orig->m_Vars[j]->IsGroup()) )
					++j;
			}
		}
}


void CTwMgr::UpdateHelpBar()
{
	if( m_HelpBar==NULL || m_HelpBar->IsMinimized() )
		return;
	if( !m_HelpBarUpdateNow && (float)m_Timer.GetTime()<m_LastHelpUpdateTime+2 )	// update at most every 2 seconds
		return;
	m_HelpBarUpdateNow = false;
	m_LastHelpUpdateTime = (float)m_Timer.GetTime();
	#ifdef _DEBUG
		//printf("UPDATE HELPBAR\n");
	#endif // _DEBUG

	CTwVarGroup prevHierarchy;
	CopyHierarchy(&prevHierarchy, &m_HelpBar->m_VarRoot);

	TwRemoveAllVars(m_HelpBar);

	if( m_HelpBar->m_UpToDate )
		m_HelpBar->Update();

	if( m_Help.size()>0 )
		AppendHelpString(&(m_HelpBar->m_VarRoot), m_Help.c_str(), 0, m_HelpBar->m_VarX2-m_HelpBar->m_VarX0, TW_TYPE_HELP_ATOM);
	if( m_HelpBar->m_Help.size()>0 )
		AppendHelpString(&(m_HelpBar->m_VarRoot), m_HelpBar->m_Help.c_str(), 0, m_HelpBar->m_VarX2-m_HelpBar->m_VarX0, TW_TYPE_HELP_ATOM);
	AppendHelpString(&(m_HelpBar->m_VarRoot), "", 0, m_HelpBar->m_VarX2-m_HelpBar->m_VarX0, TW_TYPE_HELP_HEADER);

	for( size_t ib=0; ib<m_Bars.size(); ++ib )
		if( m_Bars[ib]!=NULL && !(m_Bars[ib]->m_IsHelpBar) && m_Bars[ib]!=m_PopupBar && m_Bars[ib]->m_Visible )
		{
			// Create a group
			CTwVarGroup *Grp = new CTwVarGroup;
			Grp->m_SummaryCallback = NULL;
			Grp->m_SummaryClientData = NULL;
			Grp->m_StructValuePtr = NULL;
			if( m_Bars[ib]->m_Label.size()<=0 )
				Grp->m_Name = m_Bars[ib]->m_Name;
			else
				Grp->m_Name = m_Bars[ib]->m_Label;
			Grp->m_Open = true;
			Grp->m_ColorPtr = &(m_HelpBar->m_ColGrpText);
			m_HelpBar->m_VarRoot.m_Vars.push_back(Grp);
			if( m_Bars[ib]->m_Help.size()>0 )
				AppendHelpString(Grp, m_Bars[ib]->m_Help.c_str(), 0, m_HelpBar->m_VarX2-m_HelpBar->m_VarX0, TW_TYPE_HELP_GRP);

			// Append variables (recursive)
			AppendHelp(Grp, &(m_Bars[ib]->m_VarRoot), 1, m_HelpBar->m_VarX2-m_HelpBar->m_VarX0);

			// Append structures
			StructSet UsedStructs;
			InsertUsedStructs(UsedStructs, &(m_Bars[ib]->m_VarRoot));
			CTwVarGroup *StructGrp = NULL;
			int MemberCount = 0;
			for( StructSet::iterator it=UsedStructs.begin(); it!=UsedStructs.end(); ++it )
			{
				int idx = (*it) - TW_TYPE_STRUCT_BASE;
				if( idx>=0 && idx<(int)g_TwMgr->m_Structs.size() && g_TwMgr->m_Structs[idx].m_Name.length()>0 )
				{
					if( StructGrp==NULL )
					{
						StructGrp = new CTwVarGroup;
						StructGrp->m_StructType = TW_TYPE_HELP_STRUCT;	// a special line background color will be used
						StructGrp->m_Name = "Structures";
						StructGrp->m_Open = false;
						StructGrp->m_ColorPtr = &(m_HelpBar->m_ColStructText);
						//Grp->m_Vars.push_back(StructGrp);
						MemberCount = 0;
					}
					CTwVarAtom *Var = new CTwVarAtom;
					Var->m_Ptr = NULL;
					Var->m_Type = TW_TYPE_HELP_GRP;
					Var->m_DontClip = true;
					Var->m_LeftMargin = (signed short)(3*g_TwMgr->m_HelpBar->m_Font->m_CharWidth[(int)' ']);
					Var->m_TopMargin  = 2;
					Var->m_ReadOnly = true;
					Var->m_NoSlider = true;
					Var->m_Name = '{'+g_TwMgr->m_Structs[idx].m_Name+'}';
					StructGrp->m_Vars.push_back(Var);
					size_t structIndex = StructGrp->m_Vars.size()-1;
					if( g_TwMgr->m_Structs[idx].m_Help.size()>0 )
						AppendHelpString(StructGrp, g_TwMgr->m_Structs[idx].m_Help.c_str(), 2, m_HelpBar->m_VarX2-m_HelpBar->m_VarX0-2*Var->m_LeftMargin, TW_TYPE_HELP_ATOM);

					// Append struct members
					for( size_t im=0; im<g_TwMgr->m_Structs[idx].m_Members.size(); ++im )
					{
						if( g_TwMgr->m_Structs[idx].m_Members[im].m_Help.size()>0 )
						{
							CTwVarAtom *Var = new CTwVarAtom;
							Var->m_Ptr = NULL;
							Var->m_Type = TW_TYPE_SHORTCUT;
							Var->m_Val.m_Shortcut.m_Incr[0] = 0;
							Var->m_Val.m_Shortcut.m_Incr[1] = 0;
							Var->m_Val.m_Shortcut.m_Decr[0] = 0;
							Var->m_Val.m_Shortcut.m_Decr[1] = 0;
							Var->m_ReadOnly = false;
							Var->m_NoSlider = true;
							if( g_TwMgr->m_Structs[idx].m_Members[im].m_Label.length()>0 )
								Var->m_Name = "  "+g_TwMgr->m_Structs[idx].m_Members[im].m_Label;
							else
								Var->m_Name = "  "+g_TwMgr->m_Structs[idx].m_Members[im].m_Name;
							StructGrp->m_Vars.push_back(Var);
							//if( g_TwMgr->m_Structs[idx].m_Members[im].m_Help.size()>0 )
							AppendHelpString(StructGrp, g_TwMgr->m_Structs[idx].m_Members[im].m_Help.c_str(), 3, m_HelpBar->m_VarX2-m_HelpBar->m_VarX0-4*Var->m_LeftMargin, TW_TYPE_HELP_ATOM);
						}
					}

					if( StructGrp->m_Vars.size()==structIndex+1 ) // remove struct from help
					{
						delete StructGrp->m_Vars[structIndex];
						StructGrp->m_Vars.resize(structIndex);
					}
					else
						++MemberCount;
				}
			}
			if( StructGrp!=NULL )
			{
				if( MemberCount==1 )
					StructGrp->m_Name = "Structure";
				if( StructGrp->m_Vars.size()>0 )
					Grp->m_Vars.push_back(StructGrp);
				else
				{
					delete StructGrp;
					StructGrp = NULL;
				}
			}
		}

	// Append RotoSlider
	CTwVarGroup *RotoGrp = new CTwVarGroup;
	RotoGrp->m_SummaryCallback = NULL;
	RotoGrp->m_SummaryClientData = NULL;
	RotoGrp->m_StructValuePtr = NULL;
	RotoGrp->m_Name = "RotoSlider";
	RotoGrp->m_Open = false;
	RotoGrp->m_ColorPtr = &(m_HelpBar->m_ColGrpText);
	m_HelpBar->m_VarRoot.m_Vars.push_back(RotoGrp);
	AppendHelpString(RotoGrp, "The RotoSlider allows rapid editing of numerical values.", 0, m_HelpBar->m_VarX2-m_HelpBar->m_VarX0, TW_TYPE_HELP_ATOM);
	AppendHelpString(RotoGrp, "To modify a numerical value, click on its label or on its roto [.] button, then move the mouse outside of the grey circle while keeping the mouse button pressed, and turn around the circle to increase or decrease the numerical value.", 0, m_HelpBar->m_VarX2-m_HelpBar->m_VarX0, TW_TYPE_HELP_ATOM);
	AppendHelpString(RotoGrp, "The two grey lines depict the min and max bounds.", 0, m_HelpBar->m_VarX2-m_HelpBar->m_VarX0, TW_TYPE_HELP_ATOM);
	AppendHelpString(RotoGrp, "Moving the mouse far form the circle allows precise increase or decrease, while moving near the circle allows fast increase or decrease.", 0, m_HelpBar->m_VarX2-m_HelpBar->m_VarX0, TW_TYPE_HELP_ATOM);

	SynchroHierarchy(&m_HelpBar->m_VarRoot, &prevHierarchy);

	m_HelpBarNotUpToDate = false;
}

//	---------------------------------------------------------------------------

#if defined(ANT_WINDOWS)

#include "res/TwXCursors.h"

void CTwMgr::CreateCursors()
{
	if( m_CursorsCreated )
		return;
	m_CursorArrow = ::LoadCursor(NULL ,MAKEINTRESOURCE(IDC_ARROW));
	m_CursorMove = ::LoadCursor(NULL ,MAKEINTRESOURCE(IDC_SIZEALL));
	m_CursorWE = ::LoadCursor(NULL ,MAKEINTRESOURCE(IDC_SIZEWE));
	m_CursorNS = ::LoadCursor(NULL ,MAKEINTRESOURCE(IDC_SIZENS));
	m_CursorTopRight = ::LoadCursor(NULL ,MAKEINTRESOURCE(IDC_SIZENESW));
	m_CursorTopLeft = ::LoadCursor(NULL ,MAKEINTRESOURCE(IDC_SIZENWSE));
	m_CursorBottomLeft = ::LoadCursor(NULL ,MAKEINTRESOURCE(IDC_SIZENESW));
	m_CursorBottomRight = ::LoadCursor(NULL ,MAKEINTRESOURCE(IDC_SIZENWSE));
	m_CursorHelp = ::LoadCursor(NULL ,MAKEINTRESOURCE(IDC_HELP));
	m_CursorCross = ::LoadCursor(NULL ,MAKEINTRESOURCE(IDC_CROSS));
	m_CursorUpArrow = ::LoadCursor(NULL ,MAKEINTRESOURCE(IDC_UPARROW));
	m_CursorNo = ::LoadCursor(NULL ,MAKEINTRESOURCE(IDC_NO));
	m_CursorIBeam = ::LoadCursor(NULL ,MAKEINTRESOURCE(IDC_IBEAM));
	#ifdef IDC_HAND
		m_CursorHand = ::LoadCursor(NULL ,MAKEINTRESOURCE(IDC_HAND));
	#else
		m_CursorHand = ::LoadCursor(NULL ,MAKEINTRESOURCE(IDC_UPARROW));
	#endif
	int cur;
	HMODULE hdll = GetModuleHandle(ANT_TWEAK_BAR_DLL);
	if( hdll==NULL )
		g_UseCurRsc = false;	// force the use of built-in cursors (not using resources)
	if( g_UseCurRsc )
		m_CursorCenter = ::LoadCursor(hdll, MAKEINTRESOURCE(IDC_CURSOR1+0));
	else
		m_CursorCenter	= PixmapCursor(0);
	if( m_CursorCenter==NULL )
		m_CursorCenter = ::LoadCursor(NULL ,MAKEINTRESOURCE(IDC_CROSS));
	if( g_UseCurRsc )
		m_CursorPoint = ::LoadCursor(hdll, MAKEINTRESOURCE(IDC_CURSOR1+1));
	else
		m_CursorPoint	= PixmapCursor(1);
	if( m_CursorPoint==NULL )
		m_CursorPoint = ::LoadCursor(NULL ,MAKEINTRESOURCE(IDC_CROSS));

	for( cur=0; cur<NB_ROTO_CURSORS; ++cur )
	{
		if( g_UseCurRsc )
			m_RotoCursors[cur] = ::LoadCursor(hdll, MAKEINTRESOURCE(IDC_CURSOR1+2+cur));
		else
			m_RotoCursors[cur] = PixmapCursor(cur+2);
		if( m_RotoCursors[cur]==NULL )
			m_RotoCursors[cur] = ::LoadCursor(NULL ,MAKEINTRESOURCE(IDC_CROSS));
	}

	m_CursorsCreated = true;
}


CTwMgr::CCursor CTwMgr::PixmapCursor(int _CurIdx)
{
	int x, y;
	unsigned char mask[32*4];
	unsigned char pict[32*4];
	for( y=0; y<32; ++y )
	{
		mask[y*4+0] = pict[y*4+0] = 0;
		mask[y*4+1] = pict[y*4+1] = 0;
		mask[y*4+2] = pict[y*4+2] = 0;
		mask[y*4+3] = pict[y*4+3] = 0;
		for( x=0; x<32; ++x )
		{
			mask[y*4+x/8] |= (((unsigned int)(g_CurMask[_CurIdx][x+y*32]))<<(7-(x%8)));
			pict[y*4+x/8] |= (((unsigned int)(g_CurPict[_CurIdx][x+y*32]))<<(7-(x%8)));
		}
	}

	unsigned char ands[32*4];
	unsigned char xors[32*4];
	for( y=0; y<32*4; ++y )
	{
		ands[y] = ~mask[y];
		xors[y] = pict[y];
	}

	HMODULE hdll = GetModuleHandle(ANT_TWEAK_BAR_DLL);
	CCursor cursor = ::CreateCursor(hdll, g_CurHot[_CurIdx][0], g_CurHot[_CurIdx][1], 32, 32, ands, xors);

	return cursor;
}

void CTwMgr::FreeCursors()
{
	if( !g_UseCurRsc )
	{
		if( m_CursorCenter!=NULL )
		{
			::DestroyCursor(m_CursorCenter);
			m_CursorCenter = NULL;
		}
		if( m_CursorPoint!=NULL )
		{
			::DestroyCursor(m_CursorPoint);
			m_CursorPoint = NULL;
		}
		for( int cur=0; cur<NB_ROTO_CURSORS; ++cur )
			if( m_RotoCursors[cur]!=NULL )
			{
				::DestroyCursor(m_RotoCursors[cur]);
				m_RotoCursors[cur] = NULL;
			}
	}
	m_CursorsCreated = false;
}

void CTwMgr::SetCursor(CTwMgr::CCursor _Cursor)
{
	if( m_CursorsCreated )
	{
		CURSORINFO ci;
		memset(&ci, 0, sizeof(ci));
		ci.cbSize = sizeof(ci);
		BOOL ok = ::GetCursorInfo(&ci);
		if( ok && (ci.flags & CURSOR_SHOWING) )
			::SetCursor(_Cursor);
	}
}


#elif defined(ANT_OSX)

#include "res/TwXCursors.h"

CTwMgr::CCursor CTwMgr::PixmapCursor(int _CurIdx)
{
	unsigned char *data;
	int x,y;

	NSBitmapImageRep *imgr = [[NSBitmapImageRep alloc]
							  initWithBitmapDataPlanes: NULL
							  pixelsWide: 32
							  pixelsHigh: 32
							  bitsPerSample: 1
							  samplesPerPixel: 2
							  hasAlpha: YES
							  isPlanar: NO
							  colorSpaceName: NSCalibratedWhiteColorSpace
							  bitmapFormat: NSBitmapFormatAlphaNonpremultiplied
							  bytesPerRow: 8
							  bitsPerPixel: 2
							  ];
	data = [imgr bitmapData];
	memset(data,0x0,32*8);
	for (y=0;y<32;y++) {
		for (x=0;x<32;x++) {
			//printf("%d",g_CurMask[_CurIdx][x+y*32]);
			data[(x>>2) + y*8] |= (unsigned char)(g_CurPict[_CurIdx][x+y*32] << (2*(3-(x&3))+1)); //turn whiteon
			data[(x>>2) + y*8] |= (unsigned char)(g_CurMask[_CurIdx][x+y*32] << 2*(3-(x&3))); //turn the alpha all the way up
		}
		//printf("\n");
	}
	NSImage *img = [[NSImage alloc] initWithSize: [imgr size]];
	[img addRepresentation: imgr];
	NSCursor *cur = [[NSCursor alloc] initWithImage: img hotSpot: NSMakePoint(g_CurHot[_CurIdx][0],g_CurHot[_CurIdx][1])];

	[imgr autorelease];
	[img autorelease];
	if (cur)
		return cur;
	else
		return [NSCursor arrowCursor];
}

void CTwMgr::CreateCursors()
{
	if (m_CursorsCreated)
		return;

	m_CursorArrow		 = [[NSCursor arrowCursor] retain];
	m_CursorMove		 = [[NSCursor crosshairCursor] retain];
	m_CursorWE			 = [[NSCursor resizeLeftRightCursor] retain];
	m_CursorNS			 = [[NSCursor resizeUpDownCursor] retain];
	m_CursorTopRight	 = [[NSCursor arrowCursor] retain]; //osx not have one
	m_CursorTopLeft		 = [[NSCursor arrowCursor] retain]; //osx not have one
	m_CursorBottomRight  = [[NSCursor arrowCursor] retain]; //osx not have one
	m_CursorBottomLeft	 = [[NSCursor arrowCursor] retain]; //osx not have one
	m_CursorHelp		 = [[NSCursor arrowCursor] retain]; //osx not have one
	m_CursorHand		 = [[NSCursor pointingHandCursor] retain];
	m_CursorCross		 = [[NSCursor arrowCursor] retain];
	m_CursorUpArrow		 = [[NSCursor arrowCursor] retain];
	m_CursorNo			 = [[NSCursor arrowCursor] retain];
	m_CursorIBeam		 = [[NSCursor IBeamCursor] retain];
	for (int i=0;i<NB_ROTO_CURSORS; i++)
	{
		m_RotoCursors[i] = [PixmapCursor(i+2) retain];
	}
	m_CursorCenter	= [PixmapCursor(0) retain];
	m_CursorPoint	= [PixmapCursor(1) retain];
	m_CursorsCreated = true;
}

void CTwMgr::FreeCursors()
{
	[m_CursorArrow release];
	[m_CursorMove release];
	[m_CursorWE release];
	[m_CursorNS release];
	[m_CursorTopRight release];
	[m_CursorTopLeft release];
	[m_CursorBottomRight release];
	[m_CursorBottomLeft release];
	[m_CursorHelp release];
	[m_CursorHand release];
	[m_CursorCross release];
	[m_CursorUpArrow release];
	[m_CursorNo release];
	[m_CursorIBeam release];
	for( int i=0; i<NB_ROTO_CURSORS; ++i )
		[m_RotoCursors[i] release];
	[m_CursorCenter release];
	[m_CursorPoint release];
	m_CursorsCreated = false;
}

void CTwMgr::SetCursor(CTwMgr::CCursor _Cursor)
{
	if (m_CursorsCreated && _Cursor) {
		[_Cursor set];
	}
}


#elif defined(ANT_UNIX)

#include "res/TwXCursors.h"

static XErrorHandler s_PrevErrorHandler = NULL;

static int InactiveErrorHandler(Display *display, XErrorEvent *err)
{
	fprintf(stderr, "Ignoring Xlib error: error code %d request code %d\n", err->error_code, err->request_code);
	// No exit!
	return 0 ;
}

static void IgnoreXErrors()
{
	if( g_TwMgr!=NULL && g_TwMgr->m_CurrentXDisplay==glXGetCurrentDisplay() )
	{
		XFlush(g_TwMgr->m_CurrentXDisplay);
		XSync(g_TwMgr->m_CurrentXDisplay, False);
	}
	s_PrevErrorHandler = XSetErrorHandler(InactiveErrorHandler);
}

static void RestoreXErrors()
{
	if( g_TwMgr!=NULL && g_TwMgr->m_CurrentXDisplay==glXGetCurrentDisplay() )
	{
		XFlush(g_TwMgr->m_CurrentXDisplay);
		XSync(g_TwMgr->m_CurrentXDisplay, False);
	}
	XSetErrorHandler(s_PrevErrorHandler);
}

CTwMgr::CCursor CTwMgr::PixmapCursor(int _CurIdx)
{
	if( !m_CurrentXDisplay || !m_CurrentXWindow )
		return XC_left_ptr;

	IgnoreXErrors();

	XColor black, white, exact;
	Colormap colmap = DefaultColormap(m_CurrentXDisplay, DefaultScreen(m_CurrentXDisplay));
	Status s1 = XAllocNamedColor(m_CurrentXDisplay, colmap, "black", &black, &exact);
	Status s2 = XAllocNamedColor(m_CurrentXDisplay, colmap, "white", &white, &exact);
	if( s1==0 || s2==0 )
		return XC_left_ptr; // cannot allocate colors!
	int x, y;
	unsigned int mask[32];
	unsigned int pict[32];
	for( y=0; y<32; ++y )
	{
		mask[y] = pict[y] = 0;
		for( x=0; x<32; ++x )
		{
			mask[y] |= (((unsigned int)(g_CurMask[_CurIdx][x+y*32]))<<x);
			pict[y] |= (((unsigned int)(g_CurPict[_CurIdx][x+y*32]))<<x);
		}
	}
	Pixmap maskPix = XCreateBitmapFromData(m_CurrentXDisplay, m_CurrentXWindow, (char*)mask, 32, 32);
	Pixmap pictPix = XCreateBitmapFromData(m_CurrentXDisplay, m_CurrentXWindow, (char*)pict, 32, 32);
	Cursor cursor = XCreatePixmapCursor(m_CurrentXDisplay, pictPix, maskPix, &white, &black, g_CurHot[_CurIdx][0], g_CurHot[_CurIdx][1]);
	XFreePixmap(m_CurrentXDisplay, maskPix);
	XFreePixmap(m_CurrentXDisplay, pictPix);

	RestoreXErrors();

	if( cursor!=0 )
		return cursor;
	else
		return XC_left_ptr;
}

void CTwMgr::CreateCursors()
{
	if( m_CursorsCreated || !m_CurrentXDisplay || !m_CurrentXWindow )
		return;

	IgnoreXErrors();
	m_CursorArrow	= XCreateFontCursor(m_CurrentXDisplay, XC_left_ptr);
	m_CursorMove	= XCreateFontCursor(m_CurrentXDisplay, XC_plus);
	m_CursorWE		= XCreateFontCursor(m_CurrentXDisplay, XC_left_side);
	m_CursorNS		= XCreateFontCursor(m_CurrentXDisplay, XC_top_side);
	m_CursorTopRight= XCreateFontCursor(m_CurrentXDisplay, XC_top_right_corner);
	m_CursorTopLeft = XCreateFontCursor(m_CurrentXDisplay, XC_top_left_corner);
	m_CursorBottomRight = XCreateFontCursor(m_CurrentXDisplay, XC_bottom_right_corner);
	m_CursorBottomLeft	= XCreateFontCursor(m_CurrentXDisplay, XC_bottom_left_corner);
	m_CursorHelp	= XCreateFontCursor(m_CurrentXDisplay, XC_question_arrow);
	m_CursorHand	= XCreateFontCursor(m_CurrentXDisplay, XC_hand1);
	m_CursorCross	= XCreateFontCursor(m_CurrentXDisplay, XC_X_cursor);
	m_CursorUpArrow = XCreateFontCursor(m_CurrentXDisplay, XC_center_ptr);
	m_CursorNo		= XCreateFontCursor(m_CurrentXDisplay, XC_left_ptr);
	m_CursorIBeam	= XCreateFontCursor(m_CurrentXDisplay, XC_xterm);
	for( int i=0; i<NB_ROTO_CURSORS; ++i )
	{
		m_RotoCursors[i] = PixmapCursor(i+2);
	}
	m_CursorCenter	= PixmapCursor(0);
	m_CursorPoint	= PixmapCursor(1);
	m_CursorsCreated = true;

	RestoreXErrors();
}

void CTwMgr::FreeCursors()
{
	IgnoreXErrors();

	XFreeCursor(m_CurrentXDisplay, m_CursorArrow);
	XFreeCursor(m_CurrentXDisplay, m_CursorMove);
	XFreeCursor(m_CurrentXDisplay, m_CursorWE);
	XFreeCursor(m_CurrentXDisplay, m_CursorNS);
	XFreeCursor(m_CurrentXDisplay, m_CursorTopRight);
	XFreeCursor(m_CurrentXDisplay, m_CursorTopLeft);
	XFreeCursor(m_CurrentXDisplay, m_CursorBottomRight);
	XFreeCursor(m_CurrentXDisplay, m_CursorBottomLeft);
	XFreeCursor(m_CurrentXDisplay, m_CursorHelp);
	XFreeCursor(m_CurrentXDisplay, m_CursorHand);
	XFreeCursor(m_CurrentXDisplay, m_CursorCross);
	XFreeCursor(m_CurrentXDisplay, m_CursorUpArrow);
	XFreeCursor(m_CurrentXDisplay, m_CursorNo);
	for( int i=0; i<NB_ROTO_CURSORS; ++i )
		XFreeCursor(m_CurrentXDisplay, m_RotoCursors[i]);
	XFreeCursor(m_CurrentXDisplay, m_CursorCenter);
	XFreeCursor(m_CurrentXDisplay, m_CursorPoint);

	m_CursorsCreated = false;

	RestoreXErrors();
}

void CTwMgr::SetCursor(CTwMgr::CCursor _Cursor)
{
	if( m_CursorsCreated && m_CurrentXDisplay && m_CurrentXWindow )
	{
		Display *dpy = glXGetCurrentDisplay();
		if( dpy==g_TwMgr->m_CurrentXDisplay )
		{
			Window wnd = glXGetCurrentDrawable();
			if( wnd!=g_TwMgr->m_CurrentXWindow )
			{
				FreeCursors();
				g_TwMgr->m_CurrentXWindow = wnd;
				CreateCursors();
				// now _Cursor is not a valid cursor ID.
			}
			else
			{
				IgnoreXErrors();
				XDefineCursor(m_CurrentXDisplay, m_CurrentXWindow, _Cursor);
				RestoreXErrors();
			}
		}
	}
}

#endif //defined(ANT_UNIX)

} using namespace AntTweakBar;

//	---------------------------------------------------------------------------

void ANT_CALL TwCopyCDStringToClientFunc(TwCopyCDStringToClient copyCDStringToClientFunc)
{
	g_InitCopyCDStringToClient = copyCDStringToClientFunc;
	if( g_TwMgr!=NULL )
		g_TwMgr->m_CopyCDStringToClient = copyCDStringToClientFunc;
}

void ANT_CALL TwCopyCDStringToLibrary(char **destinationLibraryStringPtr, const char *sourceClientString)
{
	if( g_TwMgr==NULL )
	{
		if( destinationLibraryStringPtr!=NULL )
			*destinationLibraryStringPtr = const_cast<char *>(sourceClientString);
		return;
	}

	// static buffer to store sourceClientString copy associated to sourceClientString pointer
	std::vector<char>& Buf = g_TwMgr->m_CDStdStringCopyBuffers[(void *)sourceClientString];

	size_t len = (sourceClientString!=NULL) ? strlen(sourceClientString) : 0;
	if( Buf.size()<len+1 )
		Buf.resize(len+128); // len + some margin
	char *SrcStrCopy = &(Buf[0]);
	SrcStrCopy[0] = '\0';
	if( sourceClientString!=NULL )
		memcpy(SrcStrCopy, sourceClientString, len+1);
	SrcStrCopy[len] = '\0';
	if( destinationLibraryStringPtr!=NULL )
		*destinationLibraryStringPtr = SrcStrCopy;
}

void ANT_CALL TwCopyStdStringToClientFunc(TwCopyStdStringToClient copyStdStringToClientFunc)
{
	g_InitCopyStdStringToClient = copyStdStringToClientFunc;
	if( g_TwMgr!=NULL )
		g_TwMgr->m_CopyStdStringToClient = copyStdStringToClientFunc;
}

void ANT_CALL TwCopyStdStringToLibrary(std::string& destLibraryString, const std::string& srcClientString)
{
	/*
	// check if destLibraryString should be initialized
	char *Mem = (char *)&destLibraryString;
	bool Init = true;
	for( int i=0; i<sizeof(std::string) && Init; ++i )
		if( Mem[i]!=0 )
			Init = false; // has already been initialized
	assert( !Init );
	//	::new(&destLibraryString) std::string;

	// copy string
	destLibraryString = srcClientString;
	*/

	if( g_TwMgr==NULL )
		return;

	CTwMgr::CLibStdString srcLibString; // Convert VC++ Debug/Release std::string
	srcLibString.FromClient(srcClientString);
	const char *SrcStr = srcLibString.ToLib().c_str();
	const char **DstStrPtr = (const char **)&destLibraryString;

	// SrcStr can be defined locally by the caller, so we need to copy it
	// ( *DstStrPtr = copy of SrcStr )

	// static buffer to store srcClientString copy associated to srcClientString pointer
	std::vector<char>& Buf = g_TwMgr->m_CDStdStringCopyBuffers[(void *)&srcClientString];

	size_t len = strlen(SrcStr);
	if( Buf.size()<len+1 )
		Buf.resize(len+128); // len + some margin
	char *SrcStrCopy = &(Buf[0]);

	memcpy(SrcStrCopy, SrcStr, len+1);
	SrcStrCopy[len] = '\0';
	*DstStrPtr = SrcStrCopy;
	//*(const char **)&destLibraryString = srcClientString.c_str();
}

//	---------------------------------------------------------------------------

namespace AntTweakBar {

bool CRect::Subtract(const CRect& _Rect, vector<CRect>& _OutRects) const
{
	if( Empty() )
		return false;
	if( _Rect.Empty() || _Rect.Y>=Y+H || _Rect.Y+_Rect.H<=Y || _Rect.X>=X+W || _Rect.X+_Rect.W<=X )
	{
		_OutRects.push_back(*this);
		return true;
	}

	bool Ret = false;
	int Y0 = Y;
	int Y1 = Y+H-1;
	if( _Rect.Y>Y )
	{
		Y0 = _Rect.Y;
		_OutRects.push_back(CRect(X, Y, W, Y0-Y+1));
		Ret = true;
	}
	if( _Rect.Y+_Rect.H<Y+H )
	{
		Y1 = _Rect.Y+_Rect.H;
		_OutRects.push_back(CRect(X, Y1, W, Y+H-Y1));
		Ret = true;
	}
	int X0 = X;
	int X1 = X+W-1;
	if( _Rect.X>X )
	{
		X0 = _Rect.X; //-2;
		_OutRects.push_back(CRect(X, Y0, X0-X+1, Y1-Y0+1));
		Ret = true;
	}
	if( _Rect.X+_Rect.W<X+W )
	{
		X1 = _Rect.X+_Rect.W; //-1;
		_OutRects.push_back(CRect(X1, Y0, X+W-X1, Y1-Y0+1));
		Ret = true;
	}
	return Ret;
}

bool CRect::Subtract(const vector<CRect>& _Rects, vector<CRect>& _OutRects) const
{
	_OutRects.clear();
	size_t i, j, NbRects = _Rects.size();
	if( NbRects==0 )
	{
		_OutRects.push_back(*this);
		return true;
	}
	else
	{
		vector<CRect> TmpRects;
		Subtract(_Rects[0], _OutRects);

		for( i=1; i<NbRects; i++)
		{
			for( j=0; j<_OutRects.size(); j++ )
				_OutRects[j].Subtract(_Rects[i], TmpRects);
			_OutRects.swap(TmpRects);
			TmpRects.clear();
		}
		return _OutRects.empty();
	}
}

} // namespace AntTweakBar

//	---------------------------------------------------------------------------
